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annotate src/zamikongine/math/matrix.nim @ 483:73a0954beabd

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did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
author Sam <sam@basx.dev>
date Wed, 11 Jan 2023 00:43:17 +0700
parents 14e5151f68d1
children b4a972bd37d5
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1 import std/math
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2 import std/macros
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3 import std/random
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4 import std/strutils
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5 import std/typetraits
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6
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7 import ./vector
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8
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9 type
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10 # layout is row-first
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11 # having an object instead of directly aliasing the array seems a bit ugly at
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12 # first, but is necessary to be able to work correctly with distinguished
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13 # types (i.e. Mat23 and Mat32 would be an alias for the same type array[6, T]
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14 # which prevents the type system from identifying the correct type at times)
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15 #
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16 # Though, great news is that objects have zero overhead!
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17 Mat22*[T: SomeNumber] = object
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18 data: array[4, T]
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19 Mat23*[T: SomeNumber] = object
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20 data: array[6, T]
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21 Mat32*[T: SomeNumber] = object
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22 data: array[6, T]
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23 Mat33*[T: SomeNumber] = object
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24 data: array[9, T]
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25 Mat34*[T: SomeNumber] = object
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26 data: array[12, T]
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27 Mat43*[T: SomeNumber] = object
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28 data: array[12, T]
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29 Mat44*[T: SomeNumber] = object
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30 data: array[16, T]
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31 MatMM* = Mat22|Mat33|Mat44
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32 MatMN* = Mat23|Mat32|Mat34|Mat43
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33 Mat* = MatMM|MatMN
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34 IntegerMat = Mat22[SomeInteger]|Mat33[SomeInteger]|Mat44[SomeInteger]|Mat23[SomeInteger]|Mat32[SomeInteger]|Mat34[SomeInteger]|Mat43[SomeInteger]
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35 FloatMat = Mat22[SomeFloat]|Mat33[SomeFloat]|Mat44[SomeFloat]|Mat23[SomeFloat]|Mat32[SomeFloat]|Mat34[SomeFloat]|Mat43[SomeFloat]
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36
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37 func unit22[T: SomeNumber](): auto {.compiletime.} = Mat22[T](data:[
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38 T(1), T(0),
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39 T(0), T(1),
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40 ])
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41 func unit33[T: SomeNumber](): auto {.compiletime.} = Mat33[T](data:[
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42 T(1), T(0), T(0),
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43 T(0), T(1), T(0),
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44 T(0), T(0), T(1),
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45 ])
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46 func unit44[T: SomeNumber](): auto {.compiletime.} = Mat44[T](data: [
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47 T(1), T(0), T(0), T(0),
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48 T(0), T(1), T(0), T(0),
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49 T(0), T(0), T(1), T(0),
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50 T(0), T(0), T(0), T(1),
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51 ])
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52
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53 # generates constants: Unit
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54 # Also for Y, Z, R, G, B
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55 # not sure if this is necessary or even a good idea...
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56 macro generateAllConsts() =
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57 result = newStmtList()
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58 for theType in ["int", "int8", "int16", "int32", "int64", "float", "float32", "float64"]:
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59 var typename = theType[0 .. 0]
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60 if theType[^2].isDigit:
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61 typename = typename & theType[^2]
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62 if theType[^1].isDigit:
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63 typename = typename & theType[^1]
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64 result.add(newConstStmt(
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65 postfix(ident("Unit22" & typename), "*"),
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66 newCall(nnkBracketExpr.newTree(ident("unit22"), ident(theType)))
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67 ))
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68 result.add(newConstStmt(
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69 postfix(ident("Unit33" & typename), "*"),
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70 newCall(nnkBracketExpr.newTree(ident("unit33"), ident(theType)))
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71 ))
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72 result.add(newConstStmt(
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73 postfix(ident("Unit44" & typename), "*"),
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74 newCall(nnkBracketExpr.newTree(ident("unit44"), ident(theType)))
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75 ))
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76
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77 generateAllConsts()
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78
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79 const Unit22* = unit22[float]()
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80 const Unit33* = unit33[float]()
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81 const Unit44* = unit44[float]()
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82
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83 template rowCount*(m: typedesc): int =
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84 when m is Mat22: 2
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85 elif m is Mat23: 2
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86 elif m is Mat32: 3
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87 elif m is Mat33: 3
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88 elif m is Mat34: 3
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89 elif m is Mat43: 4
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90 elif m is Mat44: 4
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91 template columnCount*(m: typedesc): int =
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92 when m is Mat22: 2
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93 elif m is Mat23: 3
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94 elif m is Mat32: 2
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95 elif m is Mat33: 3
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96 elif m is Mat34: 4
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97 elif m is Mat43: 3
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98 elif m is Mat44: 4
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99
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100
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101 func toString[T](value: T): string =
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102 var
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103 strvalues: seq[string]
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104 maxwidth = 0
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105
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106 for n in value.data:
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107 let strval = $n
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108 strvalues.add(strval)
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109 if strval.len > maxwidth:
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110 maxwidth = strval.len
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111
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112 for i in 0 ..< strvalues.len:
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113 let filler = " ".repeat(maxwidth - strvalues[i].len)
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114 if i mod T.columnCount == T.columnCount - 1:
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115 result &= filler & strvalues[i] & "\n"
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116 else:
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117 if i mod T.columnCount == 0:
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118 result &= " "
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119 result &= filler & strvalues[i] & " "
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120 result = $T & "\n" & result
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121
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122 func `$`*(v: Mat22[SomeNumber]): string = toString[Mat22[SomeNumber]](v)
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123 func `$`*(v: Mat23[SomeNumber]): string = toString[Mat23[SomeNumber]](v)
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124 func `$`*(v: Mat32[SomeNumber]): string = toString[Mat32[SomeNumber]](v)
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125 func `$`*(v: Mat33[SomeNumber]): string = toString[Mat33[SomeNumber]](v)
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126 func `$`*(v: Mat34[SomeNumber]): string = toString[Mat34[SomeNumber]](v)
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127 func `$`*(v: Mat43[SomeNumber]): string = toString[Mat43[SomeNumber]](v)
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128 func `$`*(v: Mat44[SomeNumber]): string = toString[Mat44[SomeNumber]](v)
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129
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130 func `[]`*[T: Mat](m: T, row, col: int): auto = m.data[col + row * T.columnCount]
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131 proc `[]=`*[T: Mat, U](m: var T, row, col: int, value: U) = m.data[col + row * T.columnCount] = value
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132
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133 func row*[T: Mat22](m: T, i: 0..1): auto = Vec2([m[i, 0], m[i, 1]])
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134 func row*[T: Mat32](m: T, i: 0..2): auto = Vec2([m[i, 0], m[i, 1]])
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135 func row*[T: Mat23](m: T, i: 0..1): auto = Vec3([m[i, 0], m[i, 1], m[i, 2]])
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136 func row*[T: Mat33](m: T, i: 0..2): auto = Vec3([m[i, 0], m[i, 1], m[i, 2]])
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137 func row*[T: Mat43](m: T, i: 0..3): auto = Vec3([m[i, 0], m[i, 1], m[i, 2]])
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138 func row*[T: Mat34](m: T, i: 0..2): auto = Vec4([m[i, 0], m[i, 1], m[i, 2], m[i, 3]])
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139 func row*[T: Mat44](m: T, i: 0..3): auto = Vec4([m[i, 0], m[i, 1], m[i, 2], m[i, 3]])
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diff changeset
140
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
141 func col*[T: Mat22](m: T, i: 0..1): auto = Vec2([m[0, i], m[1, i]])
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Sam <sam@basx.dev>
parents:
diff changeset
142 func col*[T: Mat23](m: T, i: 0..2): auto = Vec2([m[0, i], m[1, i]])
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Sam <sam@basx.dev>
parents:
diff changeset
143 func col*[T: Mat32](m: T, i: 0..1): auto = Vec3([m[0, i], m[1, i], m[2, i]])
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Sam <sam@basx.dev>
parents:
diff changeset
144 func col*[T: Mat33](m: T, i: 0..2): auto = Vec3([m[0, i], m[1, i], m[2, i]])
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Sam <sam@basx.dev>
parents:
diff changeset
145 func col*[T: Mat34](m: T, i: 0..3): auto = Vec3([m[0, i], m[1, i], m[2, i]])
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Sam <sam@basx.dev>
parents:
diff changeset
146 func col*[T: Mat43](m: T, i: 0..2): auto = Vec4([m[0, i], m[1, i], m[2, i], m[3, i]])
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Sam <sam@basx.dev>
parents:
diff changeset
147 func col*[T: Mat44](m: T, i: 0..3): auto = Vec4([m[0, i], m[1, i], m[2, i], m[3, i]])
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Sam <sam@basx.dev>
parents:
diff changeset
148
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
149 proc createMatMatMultiplicationOperator(leftType: typedesc, rightType: typedesc, outType: typedesc): NimNode =
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Sam <sam@basx.dev>
parents:
diff changeset
150 var data = nnkBracket.newTree()
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Sam <sam@basx.dev>
parents:
diff changeset
151 for i in 0 ..< rowCount(leftType):
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Sam <sam@basx.dev>
parents:
diff changeset
152 for j in 0 ..< rightType.columnCount:
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Sam <sam@basx.dev>
parents:
diff changeset
153 data.add(newCall(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
154 ident("sum"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
155 infix(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
156 newCall(newDotExpr(ident("a"), ident("row")), newLit(i)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
157 "*",
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
158 newCall(newDotExpr(ident("b"), ident("col")), newLit(j))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
159 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
160 ))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
161
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
162 return newProc(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
163 postfix(nnkAccQuoted.newTree(ident("*")), "*"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
164 params=[
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
165 ident("auto"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
166 newIdentDefs(ident("a"), ident(leftType.name)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
167 newIdentDefs(ident("b"), ident(rightType.name))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
168 ],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
169 body=nnkObjConstr.newTree(ident(outType.name), nnkExprColonExpr.newTree(ident("data"), data)),
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Sam <sam@basx.dev>
parents:
diff changeset
170 procType=nnkFuncDef,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
171 )
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Sam <sam@basx.dev>
parents:
diff changeset
172
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
173 proc createVecMatMultiplicationOperator(matType: typedesc, vecType: typedesc): NimNode =
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Sam <sam@basx.dev>
parents:
diff changeset
174 var data = nnkBracket.newTree()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
175 for i in 0 ..< matType.rowCount:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
176 data.add(newCall(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
177 ident("sum"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
178 infix(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
179 ident("v"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
180 "*",
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
181 newCall(newDotExpr(ident("m"), ident("row")), newLit(i))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
182 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
183 ))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
184
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
185 let resultVec = newCall(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
186 nnkBracketExpr.newTree(ident(vecType.name), ident("T")),
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Sam <sam@basx.dev>
parents:
diff changeset
187 data,
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Sam <sam@basx.dev>
parents:
diff changeset
188 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
189 let name = postfix(nnkAccQuoted.newTree(ident("*")), "*")
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Sam <sam@basx.dev>
parents:
diff changeset
190 let genericParams = nnkGenericParams.newTree(nnkIdentDefs.newTree(ident("T"), ident("SomeNumber"), newEmptyNode()))
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Sam <sam@basx.dev>
parents:
diff changeset
191 let formalParams = nnkFormalParams.newTree(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
192 ident("auto"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
193 newIdentDefs(ident("m"), nnkBracketExpr.newTree(ident(matType.name), ident("T"))),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
194 newIdentDefs(ident("v"), nnkBracketExpr.newTree(ident(vecType.name), ident("T"))),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
195 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
196
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
197 return nnkFuncDef.newTree(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
198 name,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
199 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
200 genericParams,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
201 formalParams,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
202 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
203 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
204 resultVec
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
205 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
206
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
207 proc createVecMatMultiplicationOperator1(vecType: typedesc, matType: typedesc): NimNode =
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Sam <sam@basx.dev>
parents:
diff changeset
208 var data = nnkBracket.newTree()
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Sam <sam@basx.dev>
parents:
diff changeset
209 for i in 0 ..< matType.columnCount:
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Sam <sam@basx.dev>
parents:
diff changeset
210 data.add(newCall(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
211 ident("sum"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
212 infix(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
213 ident("v"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
214 "*",
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
215 newCall(newDotExpr(ident("m"), ident("col")), newLit(i))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
216 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
217 ))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
218 let resultVec = nnkObjConstr.newTree(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
219 nnkBracketExpr.newTree(ident(vecType.name), ident("float")),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
220 nnkExprColonExpr.newTree(ident("data"), data)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
221 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
222
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
223 return nnkFuncDef.newTree(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
224 ident("test"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
225 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
226 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
227 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
228 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
229 newEmptyNode(),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
230 resultVec,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
231 )
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
232
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
233 proc createMatScalarOperator(matType: typedesc, op: string): NimNode =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
234 result = newStmtList()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
235
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
236 var data = nnkBracket.newTree()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
237 for i in 0 ..< matType.rowCount * matType.columnCount:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
238 data.add(infix(nnkBracketExpr.newTree(newDotExpr(ident("a"), ident("data")), newLit(i)), op, ident("b")))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
239 result.add(newProc(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
240 postfix(nnkAccQuoted.newTree(ident(op)), "*"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
241 params=[
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
242 ident("auto"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
243 newIdentDefs(ident("a"), ident(matType.name)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
244 newIdentDefs(ident("b"), ident("SomeNumber")),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
245 ],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
246 body=nnkObjConstr.newTree(ident(matType.name), nnkExprColonExpr.newTree(ident("data"), data)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
247 procType=nnkFuncDef,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
248 ))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
249 result.add(newProc(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
250 postfix(nnkAccQuoted.newTree(ident(op)), "*"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
251 params=[
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
252 ident("auto"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
253 newIdentDefs(ident("b"), ident("SomeNumber")),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
254 newIdentDefs(ident("a"), ident(matType.name)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
255 ],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
256 body=nnkObjConstr.newTree(ident(matType.name), nnkExprColonExpr.newTree(ident("data"), data)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
257 procType=nnkFuncDef,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
258 ))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
259 if op == "-":
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Sam <sam@basx.dev>
parents:
diff changeset
260 var data2 = nnkBracket.newTree()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
261 for i in 0 ..< matType.rowCount * matType.columnCount:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
262 data2.add(prefix(nnkBracketExpr.newTree(newDotExpr(ident("a"), ident("data")), newLit(i)), op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
263 result.add(newProc(
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
264 postfix(nnkAccQuoted.newTree(ident(op)), "*"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
265 params=[
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
266 ident("auto"),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
267 newIdentDefs(ident("a"), ident(matType.name)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
268 ],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
269 body=nnkObjConstr.newTree(ident(matType.name), nnkExprColonExpr.newTree(ident("data"), data2)),
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
270 procType=nnkFuncDef,
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
271 ))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
272
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Sam <sam@basx.dev>
parents:
diff changeset
273 macro createAllMultiplicationOperators() =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
274 result = newStmtList()
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Sam <sam@basx.dev>
parents:
diff changeset
275
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
276 for op in ["+", "-", "*", "/"]:
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Sam <sam@basx.dev>
parents:
diff changeset
277 result.add(createMatScalarOperator(Mat22, op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
278 result.add(createMatScalarOperator(Mat23, op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
279 result.add(createMatScalarOperator(Mat32, op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
280 result.add(createMatScalarOperator(Mat33, op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
281 result.add(createMatScalarOperator(Mat34, op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
282 result.add(createMatScalarOperator(Mat43, op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
283 result.add(createMatScalarOperator(Mat44, op))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
284
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
285 result.add(createMatMatMultiplicationOperator(Mat22, Mat22, Mat22))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
286 result.add(createMatMatMultiplicationOperator(Mat22, Mat23, Mat23))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
287 result.add(createMatMatMultiplicationOperator(Mat23, Mat32, Mat22))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
288 result.add(createMatMatMultiplicationOperator(Mat23, Mat33, Mat23))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
289 result.add(createMatMatMultiplicationOperator(Mat32, Mat22, Mat32))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
290 result.add(createMatMatMultiplicationOperator(Mat32, Mat23, Mat33))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
291 result.add(createMatMatMultiplicationOperator(Mat33, Mat32, Mat32))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
292 result.add(createMatMatMultiplicationOperator(Mat33, Mat33, Mat33))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
293 result.add(createMatMatMultiplicationOperator(Mat33, Mat34, Mat34))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
294 result.add(createMatMatMultiplicationOperator(Mat43, Mat33, Mat43))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
295 result.add(createMatMatMultiplicationOperator(Mat43, Mat34, Mat44))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
296 result.add(createMatMatMultiplicationOperator(Mat44, Mat43, Mat43))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
297 result.add(createMatMatMultiplicationOperator(Mat44, Mat44, Mat44))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
298
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
299 result.add(createVecMatMultiplicationOperator(Mat22, Vec2))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
300 result.add(createVecMatMultiplicationOperator(Mat33, Vec3))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
301 result.add(createVecMatMultiplicationOperator(Mat44, Vec4))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
302
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
303 createAllMultiplicationOperators()
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
304
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
305
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
306 func transposed*[T](m: Mat22[T]): Mat22[T] = Mat22[T](data: [
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
307 m[0, 0], m[1, 0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
308 m[0, 1], m[1, 1],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
309 ])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
310 func transposed*[T](m: Mat23[T]): Mat32[T] = Mat32[T](data: [
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
311 m[0, 0], m[1, 0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
312 m[0, 1], m[1, 1],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
313 m[0, 2], m[1, 2],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
314 ])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
315 func transposed*[T](m: Mat32[T]): Mat23[T] = Mat23[T](data: [
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
316 m[0, 0], m[1, 0], m[2, 0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
317 m[0, 1], m[1, 1], m[2, 1],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
318 ])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
319 func transposed*[T](m: Mat33[T]): Mat33[T] = Mat33[T](data: [
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
320 m[0, 0], m[1, 0], m[2, 0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
321 m[0, 1], m[1, 1], m[2, 1],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
322 m[0, 2], m[1, 2], m[2, 2],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
323 ])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
324 func transposed*[T](m: Mat43[T]): Mat34[T] = Mat34[T](data: [
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
325 m[0, 0], m[1, 0], m[2, 0], m[3, 0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
326 m[0, 1], m[1, 1], m[2, 1], m[3, 1],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
327 m[0, 2], m[1, 2], m[2, 2], m[3, 2],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
328 ])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
329 func transposed*[T](m: Mat34[T]): Mat43[T] = Mat43[T](data: [
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
330 m[0, 0], m[1, 0], m[2, 0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
331 m[0, 1], m[1, 1], m[2, 1],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
332 m[0, 2], m[1, 2], m[2, 2],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
333 m[0, 3], m[1, 3], m[2, 3],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
334 ])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
335 func transposed*[T](m: Mat44[T]): Mat44[T] = Mat44[T](data: [
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
336 m[0, 0], m[1, 0], m[2, 0], m[3, 0],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
337 m[0, 1], m[1, 1], m[2, 1], m[3, 1],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
338 m[0, 2], m[1, 2], m[2, 2], m[3, 2],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
339 m[0, 3], m[1, 3], m[2, 3], m[3, 3],
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
340 ])
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
341
483
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
342 func translate2d*[T](x, y: T): Mat33[T] = Mat33[T](data: [
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
343 T(1), T(0), x,
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
344 T(0), T(1), y,
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
345 T(0), T(0), T(1),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
346 ])
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
347 func scale2d*[T](sx, sy: T): Mat33[T] = Mat33[T](data: [
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
348 sx, T(0), T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
349 T(0), sy, T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
350 T(0), T(0), T(1),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
351 ])
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
352 func rotate2d*[T](angle: T): Mat33[T] = Mat33[T](data: [
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
353 cos(angle), -sin(angle), T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
354 sin(angle), cos(angle), T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
355 T(0), T(0), T(1),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
356 ])
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
357 func translate3d*[T](x, y, z: T): Mat44[T] = Mat44[T](data: [
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
358 T(1), T(0), T(0), x,
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
359 T(0), T(1), T(0), y,
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
360 T(0), T(0), T(1), z,
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
361 T(0), T(0), T(0), T(1),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
362 ])
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
363 func scale3d*[T](sx, sy, sz: T): Mat44[T] = Mat44[T](data: [
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
364 sx, T(0), T(0), T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
365 T(0), sy, T(0), T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
366 T(0), T(0), sz, T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
367 T(0), T(0), T(0), T(1),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
368 ])
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
369 func rotate3d*[T](angle: T, a: Vec3[T]): Mat44[T] =
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
370 let
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
371 cosa = cos(angle)
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
372 sina = sin(angle)
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
373 x = a.x
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
374 y = a.y
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
375 z = a.z
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
376 Mat44[T](data: [
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
377 x * x * (1 - cosa) + cosa, y * x * (1 - cosa) - z * sina, z * x * (1 - cosa) + y * sina, T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
378 x * y * (1 - cosa) + z * sina, y * y * (1 - cosa) + cosa, z * y * (1 - cosa) - x * sina, T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
379 x * z * (1 - cosa) - y * sina, y * z * (1 - cosa) + x * sina, z * z * (1 - cosa) + cosa, T(0),
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
380 T(0), T(0), T(0), 1,
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
381 ])
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
382
73a0954beabd did: improve alotof_triangles example, remove glslang lib, use only binary, easier cross-compilation
Sam <sam@basx.dev>
parents: 480
diff changeset
383
480
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
384 # call e.g. Mat32[int]().randomized() to get a random matrix
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
385 template makeRandomInit(mattype: typedesc) =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
386 proc randomized*[T: SomeInteger](m: mattype[T]): mattype[T] =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
387 for i in 0 ..< result.data.len:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
388 result.data[i] = rand(low(typeof(m.data[0])) .. high(typeof(m.data[0])))
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
389 proc randomized*[T: SomeFloat](m: mattype[T]): mattype[T] =
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
390 for i in 0 ..< result.data.len:
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
391 result.data[i] = rand(1.0)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
392
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
393 makeRandomInit(Mat22)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
394 makeRandomInit(Mat23)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
395 makeRandomInit(Mat32)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
396 makeRandomInit(Mat33)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
397 makeRandomInit(Mat34)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
398 makeRandomInit(Mat43)
14e5151f68d1 did: introduce scene graph, meshs and generic vertex buffers
Sam <sam@basx.dev>
parents:
diff changeset
399 makeRandomInit(Mat44)