Mercurial > games > semicongine
annotate examples/E03_hello_cube.nim @ 219:972caf83930d
del: unused test (for now)
| author | Sam <sam@basx.dev> |
|---|---|
| date | Fri, 12 May 2023 00:34:32 +0700 |
| parents | f3912838cd69 |
| children | ad078e26a1c7 |
| 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:
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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>
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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
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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
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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>
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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
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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>
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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>
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12 |
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56
94d7eed3f118
did: cleanup main namespace, add: better coordinate handling in input example
Sam <sam@basx.dev>
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13 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:
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14 |
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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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15 const |
| 141 | 16 TopLeftFront = newVec3f(-0.5'f32, -0.5'f32, -0.5'f32) |
| 17 TopRightFront = newVec3f(0.5'f32, -0.5'f32, -0.5'f32) | |
| 18 BottomRightFront = newVec3f(0.5'f32, 0.5'f32, -0.5'f32) | |
| 19 BottomLeftFront = newVec3f(-0.5'f32, 0.5'f32, -0.5'f32) | |
| 20 TopLeftBack = newVec3f(0.5'f32, -0.5'f32, 0.5'f32) | |
| 21 TopRightBack = newVec3f(-0.5'f32, -0.5'f32, 0.5'f32) | |
| 22 BottomRightBack = newVec3f(-0.5'f32, 0.5'f32, 0.5'f32) | |
| 23 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
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24 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:
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25 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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26 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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27 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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28 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
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29 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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30 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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31 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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32 ] |
| 210 | 33 R = newVec4f(1, 0, 0, 1) |
| 34 G = newVec4f(0, 1, 0, 1) | |
| 35 B = newVec4f(0, 0, 1, 1) | |
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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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36 cube_color = @[ |
| 210 | 37 R, R, R, R, |
| 38 R * 0.5'f32, R * 0.5'f32, R * 0.5'f32, R * 0.5'f32, | |
| 39 G, G, G, G, | |
| 40 G * 0.5'f32, G * 0.5'f32, G * 0.5'f32, G * 0.5'f32, | |
| 41 B, B, B, B, | |
| 42 B * 0.5'f32, B * 0.5'f32, B * 0.5'f32, B * 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
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43 ] |
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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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44 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
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45 tris: seq[array[3, uint16]] |
| 39 | 46 for i in 0'u16 ..< 6'u16: |
| 47 let off = i * 4 | |
| 48 tris.add [off + 0'u16, off + 1'u16, off + 2'u16] | |
| 49 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
|
50 |
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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
|
51 when isMainModule: |
| 141 | 52 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
|
53 |
| 141 | 54 const |
| 55 vertexInput = @[ | |
| 163 | 56 attr[Vec3f]("position"), |
| 210 | 57 attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite), |
| 141 | 58 ] |
| 210 | 59 vertexOutput = @[attr[Vec4f]("outcolor")] |
| 141 | 60 uniforms = @[ |
| 61 attr[Mat4]("projection"), | |
| 62 attr[Mat4]("view"), | |
| 63 attr[Mat4]("model"), | |
| 64 ] | |
| 65 fragOutput = @[attr[Vec4f]("color")] | |
| 66 vertexCode = compileGlslShader( | |
| 67 stage=VK_SHADER_STAGE_VERTEX_BIT, | |
| 68 inputs=vertexInput, | |
| 69 uniforms=uniforms, | |
| 70 outputs=vertexOutput, | |
| 71 main="""outcolor = color; gl_Position = (Uniforms.projection * Uniforms.view * Uniforms.model) * vec4(position, 1);""" | |
| 72 ) | |
| 73 fragmentCode = compileGlslShader( | |
| 74 stage=VK_SHADER_STAGE_FRAGMENT_BIT, | |
| 75 inputs=vertexOutput, | |
| 76 uniforms=uniforms, | |
| 77 outputs=fragOutput, | |
| 210 | 78 main="color = outcolor;" |
| 141 | 79 ) |
| 80 myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)) | |
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81 var cube = newScene("scene", newEntity("cube", newMesh(positions=cube_pos, indices=tris, colors=cube_color))) |
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84fd522fdf3f
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82 cube.addShaderGlobal("projection", Unit4f32) |
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84fd522fdf3f
did: update examples to use new API for scene + scene globals
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83 cube.addShaderGlobal("view", Unit4f32) |
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84fd522fdf3f
did: update examples to use new API for scene + scene globals
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84 cube.addShaderGlobal("model", Unit4f32) |
| 141 | 85 myengine.addScene(cube, vertexInput) |
| 86 | |
| 87 var t: float32 = cpuTime() | |
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a4e6e76128e6
add: upgrade all simple examples to new engine version
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88 while myengine.updateInputs() == Running and not myengine.keyWasPressed(Escape): |
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89 setShaderGlobal(cube, "model", translate3d(0'f32, 0'f32, 10'f32) * rotate3d(t, Yf32)) |
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84fd522fdf3f
did: update examples to use new API for scene + scene globals
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90 setShaderGlobal(cube, "projection", |
| 141 | 91 perspective( |
| 92 float32(PI / 4), | |
| 93 float32(myengine.getWindow().size[0]) / float32(myengine.getWindow().size[0]), | |
| 94 0.1'f32, | |
| 95 100'f32 | |
| 96 ) | |
| 97 ) | |
| 98 t = cpuTime() | |
| 99 | |
| 100 myengine.renderScene(cube) | |
| 101 | |
| 102 myengine.destroy() |