Mercurial > games > semicongine

annotate examples/E03_hello_cube.nim @ 592:cda5874a8454

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add: recreation of swapchain (at least on linux, windows will likely fail, needs testing
author Sam <sam@basx.dev>
date Wed, 19 Apr 2023 01:45:16 +0700
parents 21c276c0a968
children 0d8858aa0671
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
522
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
1 #
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
2 # TODO: Needs Depth-Buffer first!
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
3 #
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
4 #
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
5 #
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
6 #
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
7 #
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
8 #
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
9
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
10
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
11 import std/times
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
12 import std/strutils
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
13
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
14 import semicongine
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
15
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
16 type
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
17 # define type of vertex
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
18 VertexDataA = object
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
19 position: PositionAttribute[Vec3]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
20 color: ColorAttribute[Vec3]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
21 Uniforms = object
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
22 model: Descriptor[Mat44]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
23 view: Descriptor[Mat44]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
24 projection: Descriptor[Mat44]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
25
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
26 var
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
27 pipeline: RenderPipeline[VertexDataA, Uniforms]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
28 uniforms: Uniforms
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
29
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
30
535
21c276c0a968 fix: stuff, add working pong
Sam <sam@basx.dev>
parents: 529
diff changeset
31 proc globalUpdate(engine: var Engine, t, dt: float32) =
522
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
32 let ratio = float32(engine.vulkan.frameSize.y) / float32(
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
33 engine.vulkan.frameSize.x)
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
34 uniforms.model.value = translate3d(0'f32, 0'f32, 10'f32) * rotate3d(t,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
35 Yf32) # * rotate3d(float32(PI), Yf32)
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
36
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
37 uniforms.view.value = Unit44f32
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
38 uniforms.projection.value = Mat44(data: [
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
39 ratio, 0'f32, 0'f32, 0'f32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
40 0'f32, 1'f32, 0'f32, 0'f32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
41 0'f32, 0'f32, 1'f32, 0'f32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
42 0'f32, 0'f32, 0'f32, 1'f32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
43 ])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
44 uniforms.projection.value = perspective(float32(PI / 4), float32(
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
45 engine.vulkan.frameSize.x) / float32(
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
46 engine.vulkan.frameSize.y), 0.1'f32, 100'f32)
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
47 engine.vulkan.device.updateUniformData(pipeline, uniforms)
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
48
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
49 const
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
50 TopLeftFront = Vec3([-0.5'f32, -0.5'f32, -0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
51 TopRightFront = Vec3([0.5'f32, -0.5'f32, -0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
52 BottomRightFront = Vec3([0.5'f32, 0.5'f32, -0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
53 BottomLeftFront = Vec3([-0.5'f32, 0.5'f32, -0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
54 TopLeftBack = Vec3([0.5'f32, -0.5'f32, 0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
55 TopRightBack = Vec3([-0.5'f32, -0.5'f32, 0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
56 BottomRightBack = Vec3([-0.5'f32, 0.5'f32, 0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
57 BottomLeftBack = Vec3([0.5'f32, 0.5'f32, 0.5'f32])
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
58 const
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
59 cube_pos = @[
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
60 TopLeftFront, TopRightFront, BottomRightFront, BottomLeftFront, # front
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
61 TopLeftBack, TopRightBack, BottomRightBack, BottomLeftBack, # back
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
62 TopLeftBack, TopLeftFront, BottomLeftFront, BottomLeftBack, # left
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
63 TopRightBack, TopRightFront, BottomRightFront, BottomRightBack, # right
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
64 TopLeftBack, TopRightBack, TopRightFront, TopLeftFront, # top
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
65 BottomLeftFront, BottomRightFront, BottomRightBack, BottomLeftBack, # bottom
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
66 ]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
67 cube_color = @[
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
68 Rf32, Rf32, Rf32, Rf32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
69 Rf32 * 0.5'f32, Rf32 * 0.5'f32, Rf32 * 0.5'f32, Rf32 * 0.5'f32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
70 Gf32, Gf32, Gf32, Gf32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
71 Gf32 * 0.5'f32, Gf32 * 0.5'f32, Gf32 * 0.5'f32, Gf32 * 0.5'f32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
72 Bf32, Bf32, Bf32, Bf32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
73 Bf32 * 0.5'f32, Bf32 * 0.5'f32, Bf32 * 0.5'f32, Bf32 * 0.5'f32,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
74 ]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
75 var
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
76 tris: seq[array[3, uint16]]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
77 for i in 0'u16 ..< 6'u16:
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
78 let off = i * 4
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
79 tris.add [off + 0'u16, off + 1'u16, off + 2'u16]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
80 tris.add [off + 2'u16, off + 3'u16, off + 0'u16]
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
81
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
82 when isMainModule:
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
83 var myengine = igniteEngine("Hello cube")
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
84
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
85 # build a mesh
529
eb92723db7b2 fix: API changes
Sam <sam@basx.dev>
parents: 522
diff changeset
86 var trianglemesh = new Mesh[VertexDataA, uint16]
eb92723db7b2 fix: API changes
Sam <sam@basx.dev>
parents: 522
diff changeset
87 trianglemesh.indexed = true
522
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
88 trianglemesh.vertexData = VertexDataA(
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
89 position: PositionAttribute[Vec3](data: cube_pos),
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
90 color: ColorAttribute[Vec3](data: cube_color),
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
91 )
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
92 trianglemesh.indices = tris
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
93 var cube = newThing("cube", trianglemesh)
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
94
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
95 # upload data, prepare shaders, etc
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
96 const vertexShader = generateVertexShaderCode[VertexDataA, Uniforms]("""
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
97 out_position = (uniforms.projection * uniforms.view * uniforms.model) * vec4(in_position, 1);
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
98 """)
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
99 const fragmentShader = generateFragmentShaderCode[VertexDataA]()
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
100 pipeline = setupPipeline[VertexDataA, Uniforms, uint16](
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
101 myengine,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
102 cube,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
103 vertexShader,
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
104 fragmentShader
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
105 )
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
106 # show something
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
107 myengine.run(pipeline, globalUpdate)
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
108 pipeline.trash()
f2c97bdbb0b3 did: rename and update older demos to work with new APIs
Sam <sam@basx.dev>
parents:
diff changeset
109 myengine.trash()