Mercurial > games > semicongine
annotate examples/E03_hello_cube.nim @ 145:a4e6e76128e6
add: upgrade all simple examples to new engine version
| author | Sam <sam@basx.dev> |
|---|---|
| date | Wed, 26 Apr 2023 02:15:43 +0700 |
| parents | 8bb27869b649 |
| children | 25d97fa0ad5c |
| rev | line source |
|---|---|
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38
c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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1 # |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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2 # TODO: Needs Depth-Buffer first! |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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3 # |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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4 # |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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5 # |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
6 # |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
7 # |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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8 # |
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60
c57285d292b6
did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents:
59
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9 |
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c57285d292b6
did: deep refactoring of handling vertrex attribute and buffer updates, don't ask ;(
Sam <sam@basx.dev>
parents:
59
diff
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10 |
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38
c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
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11 import std/times |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
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12 import std/strutils |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
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13 |
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56
94d7eed3f118
did: cleanup main namespace, add: better coordinate handling in input example
Sam <sam@basx.dev>
parents:
40
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14 import semicongine |
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38
c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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15 |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
16 const |
| 141 | 17 TopLeftFront = newVec3f(-0.5'f32, -0.5'f32, -0.5'f32) |
| 18 TopRightFront = newVec3f(0.5'f32, -0.5'f32, -0.5'f32) | |
| 19 BottomRightFront = newVec3f(0.5'f32, 0.5'f32, -0.5'f32) | |
| 20 BottomLeftFront = newVec3f(-0.5'f32, 0.5'f32, -0.5'f32) | |
| 21 TopLeftBack = newVec3f(0.5'f32, -0.5'f32, 0.5'f32) | |
| 22 TopRightBack = newVec3f(-0.5'f32, -0.5'f32, 0.5'f32) | |
| 23 BottomRightBack = newVec3f(-0.5'f32, 0.5'f32, 0.5'f32) | |
| 24 BottomLeftBack = newVec3f(0.5'f32, 0.5'f32, 0.5'f32) | |
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38
c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
25 const |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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26 cube_pos = @[ |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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27 TopLeftFront, TopRightFront, BottomRightFront, BottomLeftFront, # front |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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28 TopLeftBack, TopRightBack, BottomRightBack, BottomLeftBack, # back |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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29 TopLeftBack, TopLeftFront, BottomLeftFront, BottomLeftBack, # left |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
30 TopRightBack, TopRightFront, BottomRightFront, BottomRightBack, # right |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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31 TopLeftBack, TopRightBack, TopRightFront, TopLeftFront, # top |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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32 BottomLeftFront, BottomRightFront, BottomRightBack, BottomLeftBack, # bottom |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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33 ] |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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34 cube_color = @[ |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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35 Rf32, Rf32, Rf32, Rf32, |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
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36 Rf32 * 0.5'f32, Rf32 * 0.5'f32, Rf32 * 0.5'f32, Rf32 * 0.5'f32, |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
37 Gf32, Gf32, Gf32, Gf32, |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
38 Gf32 * 0.5'f32, Gf32 * 0.5'f32, Gf32 * 0.5'f32, Gf32 * 0.5'f32, |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
39 Bf32, Bf32, Bf32, Bf32, |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
40 Bf32 * 0.5'f32, Bf32 * 0.5'f32, Bf32 * 0.5'f32, Bf32 * 0.5'f32, |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
41 ] |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
42 var |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
43 tris: seq[array[3, uint16]] |
| 39 | 44 for i in 0'u16 ..< 6'u16: |
| 45 let off = i * 4 | |
| 46 tris.add [off + 0'u16, off + 1'u16, off + 2'u16] | |
| 47 tris.add [off + 2'u16, off + 3'u16, off + 0'u16] | |
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38
c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
48 |
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c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
49 when isMainModule: |
| 141 | 50 var myengine = initEngine("Hello cube") |
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38
c3c963e7c1a6
did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff
changeset
|
51 |
| 141 | 52 const |
| 53 vertexInput = @[ | |
| 54 attr[Vec3f]("position", memoryLocation=VRAM), | |
| 55 attr[Vec3f]("color", memoryLocation=VRAMVisible), | |
| 56 ] | |
| 57 vertexOutput = @[attr[Vec3f]("outcolor")] | |
| 58 uniforms = @[ | |
| 59 attr[Mat4]("projection"), | |
| 60 attr[Mat4]("view"), | |
| 61 attr[Mat4]("model"), | |
| 62 ] | |
| 63 fragOutput = @[attr[Vec4f]("color")] | |
| 64 vertexCode = compileGlslShader( | |
| 65 stage=VK_SHADER_STAGE_VERTEX_BIT, | |
| 66 inputs=vertexInput, | |
| 67 uniforms=uniforms, | |
| 68 outputs=vertexOutput, | |
| 69 main="""outcolor = color; gl_Position = (Uniforms.projection * Uniforms.view * Uniforms.model) * vec4(position, 1);""" | |
| 70 ) | |
| 71 fragmentCode = compileGlslShader( | |
| 72 stage=VK_SHADER_STAGE_FRAGMENT_BIT, | |
| 73 inputs=vertexOutput, | |
| 74 uniforms=uniforms, | |
| 75 outputs=fragOutput, | |
| 76 main="color = vec4(outcolor, 1);" | |
| 77 ) | |
| 78 myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)) | |
| 79 var | |
| 80 projection = initShaderGlobal("projection", Unit4f32) | |
| 81 view = initShaderGlobal("view", Unit4f32) | |
| 82 model = initShaderGlobal("model", Unit4f32) | |
| 83 cube = newEntity("cube", newMesh(positions=cube_pos, indices=tris, colors=cube_color)) | |
| 84 cube.components.add projection | |
| 85 cube.components.add view | |
| 86 cube.components.add model | |
| 87 myengine.addScene(cube, vertexInput) | |
| 88 | |
| 89 var t: float32 = cpuTime() | |
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145
a4e6e76128e6
add: upgrade all simple examples to new engine version
Sam <sam@basx.dev>
parents:
141
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90 while myengine.updateInputs() == Running and not myengine.keyWasPressed(Escape): |
| 141 | 91 setValue[Mat4](model.value, translate3d(0'f32, 0'f32, 10'f32) * rotate3d(t, Yf32)) |
| 92 setValue[Mat4]( | |
| 93 projection.value, | |
| 94 perspective( | |
| 95 float32(PI / 4), | |
| 96 float32(myengine.getWindow().size[0]) / float32(myengine.getWindow().size[0]), | |
| 97 0.1'f32, | |
| 98 100'f32 | |
| 99 ) | |
| 100 ) | |
| 101 t = cpuTime() | |
| 102 | |
| 103 myengine.renderScene(cube) | |
| 104 | |
| 105 myengine.destroy() |