Mercurial > games > semicongine

annotate examples/input.nim @ 53:4c3891eb9ef9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add: improve build on windows
author Sam <sam@basx.dev>
date Thu, 19 Jan 2023 22:49:12 +0700
parents 2771db8d4276
children 94d7eed3f118
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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
1 import std/times
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
2 import std/strutils
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
3 import std/enumerate
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
4
40
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
5 import semicongine/engine
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
6 import semicongine/math/vector
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
7 import semicongine/math/matrix
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
8 import semicongine/vertex
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
9 import semicongine/descriptor
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
10 import semicongine/mesh
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
11 import semicongine/thing
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
12 import semicongine/shader
2771db8d4276 did: rename project
Sam <sam@basx.dev>
parents: 38
diff changeset
13 import semicongine/buffer
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
14
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
15 type
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 # define type of vertex
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
17 VertexDataA = object
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
18 position: PositionAttribute[Vec2[float32]]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
19 color: ColorAttribute[Vec3[float32]]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
20 Uniforms = object
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
21 cursor: Descriptor[Vec2[float32]]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
22 aspect: Descriptor[float32]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
23
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
24 var
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 pipeline: RenderPipeline[VertexDataA, Uniforms]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
26 uniforms: Uniforms
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
27 uniforms.aspect.value = 1
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
28
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
29
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 proc globalUpdate(engine: var Engine, dt: float32) =
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
31 uniforms.aspect.value = float32(engine.vulkan.frameDimension.height) / float32(engine.vulkan.frameDimension.width)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
32 uniforms.cursor.value[0] = ((float32(engine.input.mouseX) / float32(engine.vulkan.frameDimension.width)) * 2'f32 ) - 1'f32
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
33 uniforms.cursor.value[1] = ((float32(engine.input.mouseY) / float32(engine.vulkan.frameDimension.height)) * 2'f32 ) - 1'f32
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
34 for buffer in pipeline.uniformBuffers:
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
35 buffer.updateData(uniforms)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
36
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 # vertex data (types must match the above VertexAttributes)
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 const
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 shape = @[
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 Vec2([- 1'f32, - 1'f32]),
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 Vec2([ 1'f32, - 1'f32]),
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 Vec2([-0.3'f32, -0.3'f32]),
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 Vec2([-0.3'f32, -0.3'f32]),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
44 Vec2([- 1'f32, 1'f32]),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
45 Vec2([- 1'f32, - 1'f32]),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
46 ]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
47 colors = @[
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 Vec3([1'f32, 0'f32, 0'f32]),
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 Vec3([1'f32, 0'f32, 0'f32]),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
50 Vec3([1'f32, 0'f32, 0'f32]),
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 Vec3([0.8'f32, 0'f32, 0'f32]),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
52 Vec3([0.8'f32, 0'f32, 0'f32]),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
53 Vec3([0.8'f32, 0'f32, 0'f32]),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
54 ]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
55
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
56 when isMainModule:
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
57 var myengine = igniteEngine("Input")
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
58
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
59 # build a single-object scene graph
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
60 var cursor = new Thing
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
61 var cursorpart = new Mesh[VertexDataA]
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
62 cursorpart.vertexData = VertexDataA(
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
63 position: PositionAttribute[Vec2[float32]](data: shape),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
64 color: ColorAttribute[Vec3[float32]](data: colors),
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
65 )
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
66 # transform the cursor a bit to make it look nice
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
67 for i in 0 ..< cursorpart.vertexData.position.data.len:
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
68 let cursorscale = (
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
69 scale2d(0.07'f32, 0.07'f32) *
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
70 translate2d(1'f32, 1'f32) *
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
71 rotate2d(-float32(PI) / 4'f32) *
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
72 scale2d(0.5'f32, 1'f32) *
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
73 rotate2d(float32(PI) / 4'f32)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
74 )
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
75 let pos = Vec3[float32]([cursorpart.vertexData.position.data[i][0], cursorpart.vertexData.position.data[i][1], 1'f32])
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
76 cursorpart.vertexData.position.data[i] = (cursorscale * pos).xy
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
77 cursor.parts.add cursorpart
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
78
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
79 var scene = new Thing
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
80 scene.children.add cursor
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
81
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
82 # upload data, prepare shaders, etc
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
83 const vertexShader = generateVertexShaderCode[VertexDataA, Uniforms]("""
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
84 out_position.x = in_position.x * uniforms.aspect + uniforms.cursor.x;
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
85 out_position.y = in_position.y + uniforms.cursor.y;
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
86 """)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
87 const fragmentShader = generateFragmentShaderCode[VertexDataA]()
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
88 echo vertexShader
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
89 echo fragmentShader
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
90 pipeline = setupPipeline[VertexDataA, Uniforms, uint16](
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
91 myengine,
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
92 scene,
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
93 vertexShader,
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
94 fragmentShader
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
95 )
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
96 # show something
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
97 myengine.run(pipeline, globalUpdate)
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
98 pipeline.trash()
c3c963e7c1a6 did: tons of stuff, input, refactoring, fix some errors, some template improvment, sorry for super-commit
Sam <sam@basx.dev>
parents:
diff changeset
99 myengine.trash()