Mercurial > games > semicongine

annotate examples/E01_hello_triangle.nim @ 1217:f819a874058f compiletime-tests

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merge
author sam <sam@basx.dev>
date Wed, 17 Jul 2024 21:00:54 +0700
parents 5934c5615f13
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import std/tables
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2
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3 import ../semicongine
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4
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5 # shader setup
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6 const
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7 shaderConfiguration = CreateShaderConfiguration(
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8 name = "default shader",
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9 inputs = [
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10 Attr[Vec3f]("position"),
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11 Attr[Vec4f]("color"),
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12 ],
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13 intermediates = [Attr[Vec4f]("outcolor")],
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14 outputs = [Attr[Vec4f]("color")],
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15 vertexCode = "gl_Position = vec4(position, 1.0); outcolor = color;",
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16 fragmentCode = "color = outcolor;",
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17 )
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18
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19 # scene setup
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20 var
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21 scene = Scene(name: "scene",
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22 meshes: @[NewMesh(
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23 positions = [NewVec3f(-0.5, 0.5), NewVec3f(0, -0.5), NewVec3f(0.5, 0.5)],
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24 colors = [NewVec4f(1, 0, 0, 1), NewVec4f(0, 1, 0, 1), NewVec4f(0, 0, 1, 1)],
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25 material = VERTEX_COLORED_MATERIAL.InitMaterialData()
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26 )]
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27 )
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28 myengine = InitEngine("Hello triangle", showFps = true)
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29
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30 myengine.InitRenderer({VERTEX_COLORED_MATERIAL: shaderConfiguration}, inFlightFrames = 2)
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31 myengine.LoadScene(scene)
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32
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33 while myengine.UpdateInputs() and not KeyWasPressed(Escape):
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34 Transform[Vec3f](scene.meshes[0][], "position", Scale(1.001, 1.001))
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35 myengine.RenderScene(scene)
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36
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37 myengine.Destroy()