Mercurial > games > semicongine

comparison examples/E03_hello_cube.nim @ 1140:5934c5615f13

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did: update all examples to work with latest refactoring
author sam <sam@basx.dev>
date Sat, 08 Jun 2024 15:16:17 +0700
parents 114f395b9144
children d3e014c3551c
comparison
equal deleted inserted replaced
1139:114f395b9144 1140:5934c5615f13
38 let off = i * 4 38 let off = i * 4
39 tris.add [off + 0'u16, off + 1'u16, off + 2'u16] 39 tris.add [off + 0'u16, off + 1'u16, off + 2'u16]
40 tris.add [off + 2'u16, off + 3'u16, off + 0'u16] 40 tris.add [off + 2'u16, off + 3'u16, off + 0'u16]
41 41
42 when isMainModule: 42 when isMainModule:
43 var myengine = initEngine("Hello cube") 43 var myengine = InitEngine("Hello cube")
44 44
45 const 45 const
46 shaderConfiguration = createShaderConfiguration( 46 shaderConfiguration = CreateShaderConfiguration(
47 name = "default shader", 47 name = "default shader",
48 inputs = [ 48 inputs = [
49 attr[Vec3f]("position"), 49 Attr[Vec3f]("position"),
50 attr[Vec4f]("color", memoryPerformanceHint = PreferFastWrite), 50 Attr[Vec4f]("color", memoryPerformanceHint = PreferFastWrite),
51 ], 51 ],
52 intermediates = [attr[Vec4f]("outcolor")], 52 intermediates = [Attr[Vec4f]("outcolor")],
53 uniforms = [ 53 uniforms = [
54 attr[Mat4]("projection"), 54 Attr[Mat4]("projection"),
55 attr[Mat4]("view"), 55 Attr[Mat4]("view"),
56 attr[Mat4]("model"), 56 Attr[Mat4]("model"),
57 ], 57 ],
58 outputs = [attr[Vec4f]("color")], 58 outputs = [Attr[Vec4f]("color")],
59 vertexCode = """outcolor = color; gl_Position = (Uniforms.projection * Uniforms.view * Uniforms.model) * vec4(position, 1);""", 59 vertexCode = """outcolor = color; gl_Position = (Uniforms.projection * Uniforms.view * Uniforms.model) * vec4(position, 1);""",
60 fragmentCode = "color = outcolor;", 60 fragmentCode = "color = outcolor;",
61 ) 61 )
62 var matDef = MaterialType(name: "default material", vertexAttributes: {"position": Vec3F32, "color": Vec4F32}.toTable) 62 var matDef = MaterialType(name: "default material", vertexAttributes: {"position": Vec3F32, "color": Vec4F32}.toTable)
63 var cube = Scene(name: "scene", meshes: @[newMesh(positions = cube_pos, indices = tris, colors = cube_color, material = matDef.InitMaterialData(name = "default"))]) 63 var cube = Scene(name: "scene", meshes: @[NewMesh(positions = cube_pos, indices = tris, colors = cube_color, material = matDef.InitMaterialData(name = "default"))])
64 cube.addShaderGlobal("projection", Unit4f32) 64 cube.AddShaderGlobal("projection", Unit4f32)
65 cube.addShaderGlobal("view", Unit4f32) 65 cube.AddShaderGlobal("view", Unit4f32)
66 cube.addShaderGlobal("model", Unit4f32) 66 cube.AddShaderGlobal("model", Unit4f32)
67 myengine.initRenderer({matDef: shaderConfiguration}) 67 myengine.InitRenderer({matDef: shaderConfiguration})
68 myengine.loadScene(cube) 68 myengine.LoadScene(cube)
69 69
70 var t: float32 = cpuTime() 70 var t: float32 = cpuTime()
71 while myengine.UpdateInputs() and not KeyWasPressed(Escape): 71 while myengine.UpdateInputs() and not KeyWasPressed(Escape):
72 setShaderGlobal(cube, "model", translate(0'f32, 0'f32, 10'f32) * rotate(t, Yf32)) 72 SetShaderGlobal(cube, "model", Translate(0'f32, 0'f32, 10'f32) * Rotate(t, Yf32))
73 setShaderGlobal(cube, "projection", 73 SetShaderGlobal(cube, "projection",
74 perspective( 74 Perspective(
75 float32(PI / 4), 75 float32(PI / 4),
76 float32(myengine.GetWindow().size[0]) / float32(myengine.GetWindow().size[1]), 76 float32(myengine.GetWindow().Size[0]) / float32(myengine.GetWindow().Size[1]),
77 0.1'f32, 77 0.1'f32,
78 100'f32 78 100'f32
79 ) 79 )
80 ) 80 )
81 t = cpuTime() 81 t = cpuTime()
82 myengine.renderScene(cube) 82 myengine.RenderScene(cube)
83 83
84 myengine.destroy() 84 myengine.Destroy()