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comparison examples/E10_pong.nim @ 316:b145a05c2459

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add: changing rendering system, not finished yet, also upgrading to Nim 2
author Sam <sam@basx.dev>
date Mon, 07 Aug 2023 00:23:00 +0700
parents da0bd61abe91
children 887ddc8d45fd
comparison
equal deleted inserted replaced
315:4921ec86dcb4 316:b145a05c2459
29 var ball = newEntity("ball", {"mesh": Component(ballmesh)}) 29 var ball = newEntity("ball", {"mesh": Component(ballmesh)})
30 ball.transform = scale3d(ballSize, ballSize, 1'f) * translate3d(10'f, 10'f, 0'f) 30 ball.transform = scale3d(ballSize, ballSize, 1'f) * translate3d(10'f, 10'f, 0'f)
31 level.root.add ball 31 level.root.add ball
32 32
33 const 33 const
34 vertexInput = @[ 34 inputs = @[
35 attr[Vec3f]("position"), 35 attr[Vec3f]("position"),
36 attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite), 36 attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite),
37 attr[Mat4]("transform", memoryPerformanceHint=PreferFastWrite, perInstance=true), 37 attr[Mat4]("transform", memoryPerformanceHint=PreferFastWrite, perInstance=true),
38 ] 38 ]
39 vertexOutput = @[attr[Vec4f]("outcolor")] 39 intermediate = @[attr[Vec4f]("outcolor")]
40 uniforms = @[attr[Mat4]("projection")] 40 uniforms = @[attr[Mat4]("projection")]
41 fragOutput = @[attr[Vec4f]("color")] 41 outputs = @[attr[Vec4f]("color")]
42 vertexCode = compileGlslShader( 42 (vertexCode, fragmentCode) = compileVertexFragmentShaderSet(
43 stage=VK_SHADER_STAGE_VERTEX_BIT, 43 inputs=inputs,
44 inputs=vertexInput, 44 intermediate=intermediate,
45 outputs=outputs,
45 uniforms=uniforms, 46 uniforms=uniforms,
46 outputs=vertexOutput, 47 vertexCode="""outcolor = color; gl_Position = vec4(position, 1) * (transform * Uniforms.projection);""",
47 main="""outcolor = color; gl_Position = vec4(position, 1) * (transform * Uniforms.projection);""" 48 fragmentCode="color = outcolor;",
48 )
49 fragmentCode = compileGlslShader(
50 stage=VK_SHADER_STAGE_FRAGMENT_BIT,
51 inputs=vertexOutput,
52 uniforms=uniforms,
53 outputs=fragOutput,
54 main="color = outcolor;"
55 ) 49 )
56 50
57 # set up rendering 51 # set up rendering
58 myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode, clearColor=backgroundColor)) 52 myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode, clearColor=backgroundColor))
59 myengine.addScene(level, vertexInput, @[], transformAttribute="transform") 53 myengine.addScene(level, inputs, @[], transformAttribute="transform")
60 level.addShaderGlobal("projection", Unit4f32) 54 level.addShaderGlobal("projection", Unit4f32)
61 55
62 var 56 var
63 winsize = myengine.getWindow().size 57 winsize = myengine.getWindow().size
64 height = float32(winsize[1]) / float32(winsize[0]) 58 height = float32(winsize[1]) / float32(winsize[0])