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comparison examples/hello_cube.nim @ 520:cd73e429fc99

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did: use new vector and matrix names for simpler code
author Sam <sam@basx.dev>
date Fri, 20 Jan 2023 16:53:37 +0700
parents 03a94b905f1a
children c57285d292b6
comparison
equal deleted inserted replaced
519:03a94b905f1a 520:cd73e429fc99
15 import semicongine 15 import semicongine
16 16
17 type 17 type
18 # define type of vertex 18 # define type of vertex
19 VertexDataA = object 19 VertexDataA = object
20 position: PositionAttribute[TVec3[float32]] 20 position: PositionAttribute[Vec3]
21 color: ColorAttribute[TVec3[float32]] 21 color: ColorAttribute[Vec3]
22 Uniforms = object 22 Uniforms = object
23 model: Descriptor[TMat44[float32]] 23 model: Descriptor[Mat44]
24 view: Descriptor[TMat44[float32]] 24 view: Descriptor[Mat44]
25 projection: Descriptor[TMat44[float32]] 25 projection: Descriptor[Mat44]
26 26
27 var 27 var
28 pipeline: RenderPipeline[VertexDataA, Uniforms] 28 pipeline: RenderPipeline[VertexDataA, Uniforms]
29 uniforms:Uniforms 29 uniforms:Uniforms
30 t: float32 30 t: float32
34 let ratio = float32(engine.vulkan.frameDimension.height) / float32(engine.vulkan.frameDimension.width) 34 let ratio = float32(engine.vulkan.frameDimension.height) / float32(engine.vulkan.frameDimension.width)
35 t += dt 35 t += dt
36 uniforms.model.value = translate3d(0'f32, 0'f32, 10'f32) * rotate3d(t, Yf32) # * rotate3d(float32(PI), Yf32) 36 uniforms.model.value = translate3d(0'f32, 0'f32, 10'f32) * rotate3d(t, Yf32) # * rotate3d(float32(PI), Yf32)
37 37
38 uniforms.view.value = Unit44f32 38 uniforms.view.value = Unit44f32
39 uniforms.projection.value = TMat44[float32](data:[ 39 uniforms.projection.value = Mat44(data:[
40 ratio, 0'f32, 0'f32, 0'f32, 40 ratio, 0'f32, 0'f32, 0'f32,
41 0'f32, 1'f32, 0'f32, 0'f32, 41 0'f32, 1'f32, 0'f32, 0'f32,
42 0'f32, 0'f32, 1'f32, 0'f32, 42 0'f32, 0'f32, 1'f32, 0'f32,
43 0'f32, 0'f32, 0'f32, 1'f32, 43 0'f32, 0'f32, 0'f32, 1'f32,
44 ]) 44 ])
45 uniforms.projection.value = perspective(float32(PI / 4), float32(engine.vulkan.frameDimension.width) / float32(engine.vulkan.frameDimension.height), 0.1'f32, 100'f32) 45 uniforms.projection.value = perspective(float32(PI / 4), float32(engine.vulkan.frameDimension.width) / float32(engine.vulkan.frameDimension.height), 0.1'f32, 100'f32)
46 for buffer in pipeline.uniformBuffers: 46 for buffer in pipeline.uniformBuffers:
47 buffer.updateData(uniforms) 47 buffer.updateData(uniforms)
48 48
49 const 49 const
50 TopLeftFront = TVec3([ -0.5'f32, -0.5'f32, -0.5'f32]) 50 TopLeftFront = Vec3([ -0.5'f32, -0.5'f32, -0.5'f32])
51 TopRightFront = TVec3([ 0.5'f32, -0.5'f32, -0.5'f32]) 51 TopRightFront = Vec3([ 0.5'f32, -0.5'f32, -0.5'f32])
52 BottomRightFront = TVec3([ 0.5'f32, 0.5'f32, -0.5'f32]) 52 BottomRightFront = Vec3([ 0.5'f32, 0.5'f32, -0.5'f32])
53 BottomLeftFront = TVec3([ -0.5'f32, 0.5'f32, -0.5'f32]) 53 BottomLeftFront = Vec3([ -0.5'f32, 0.5'f32, -0.5'f32])
54 TopLeftBack = TVec3([ 0.5'f32, -0.5'f32, 0.5'f32]) 54 TopLeftBack = Vec3([ 0.5'f32, -0.5'f32, 0.5'f32])
55 TopRightBack = TVec3([ -0.5'f32, -0.5'f32, 0.5'f32]) 55 TopRightBack = Vec3([ -0.5'f32, -0.5'f32, 0.5'f32])
56 BottomRightBack = TVec3([ -0.5'f32, 0.5'f32, 0.5'f32]) 56 BottomRightBack = Vec3([ -0.5'f32, 0.5'f32, 0.5'f32])
57 BottomLeftBack = TVec3([ 0.5'f32, 0.5'f32, 0.5'f32]) 57 BottomLeftBack = Vec3([ 0.5'f32, 0.5'f32, 0.5'f32])
58 const 58 const
59 cube_pos = @[ 59 cube_pos = @[
60 TopLeftFront, TopRightFront, BottomRightFront, BottomLeftFront, # front 60 TopLeftFront, TopRightFront, BottomRightFront, BottomLeftFront, # front
61 TopLeftBack, TopRightBack, BottomRightBack, BottomLeftBack, # back 61 TopLeftBack, TopRightBack, BottomRightBack, BottomLeftBack, # back
62 TopLeftBack, TopLeftFront, BottomLeftFront, BottomLeftBack, # left 62 TopLeftBack, TopLeftFront, BottomLeftFront, BottomLeftBack, # left
95 var myengine = igniteEngine("Hello cube") 95 var myengine = igniteEngine("Hello cube")
96 96
97 # build a mesh 97 # build a mesh
98 var trianglemesh = new IndexedMesh[VertexDataA, uint16] 98 var trianglemesh = new IndexedMesh[VertexDataA, uint16]
99 trianglemesh.vertexData = VertexDataA( 99 trianglemesh.vertexData = VertexDataA(
100 position: PositionAttribute[TVec3[float32]](data: cube_pos), 100 position: PositionAttribute[Vec3](data: cube_pos),
101 color: ColorAttribute[TVec3[float32]](data: cube_color), 101 color: ColorAttribute[Vec3](data: cube_color),
102 ) 102 )
103 trianglemesh.indices = tris 103 trianglemesh.indices = tris
104 # build a single-object scene graph 104 # build a single-object scene graph
105 var triangle = new Thing 105 var triangle = new Thing
106 # add the triangle mesh to the object 106 # add the triangle mesh to the object