Mercurial > games > semicongine
diff examples/E03_hello_cube.nim @ 336:887ddc8d45fd
did: update examples to work with improved scenegraph/material api, notice removed complexity!
author | Sam <sam@basx.dev> |
---|---|
date | Tue, 05 Sep 2023 00:28:35 +0700 |
parents | b145a05c2459 |
children | c66503386e8b |
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--- a/examples/E03_hello_cube.nim Mon Sep 04 00:55:35 2023 +0700 +++ b/examples/E03_hello_cube.nim Tue Sep 05 00:28:35 2023 +0700 @@ -8,6 +8,7 @@ # +import std/tables import std/times import ../src/semicongine @@ -52,35 +53,31 @@ var myengine = initEngine("Hello cube") const - inputs = @[ - attr[Vec3f]("position"), - attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite), - ] - intermediate = @[attr[Vec4f]("outcolor")] - uniforms = @[ - attr[Mat4]("projection"), - attr[Mat4]("view"), - attr[Mat4]("model"), - ] - fragOutput = @[attr[Vec4f]("color")] - (vertexCode, fragmentCode) = compileVertexFragmentShaderSet( - inputs=inputs, - intermediate=intermediate, - outputs=fragOutput, - uniforms=uniforms, + shaderConfiguration = createShaderConfiguration( + inputs=[ + attr[Vec3f]("position"), + attr[Vec4f]("color", memoryPerformanceHint=PreferFastWrite), + ], + intermediates=[attr[Vec4f]("outcolor")], + uniforms=[ + attr[Mat4]("projection"), + attr[Mat4]("view"), + attr[Mat4]("model"), + ], + outputs=[attr[Vec4f]("color")], vertexCode="""outcolor = color; gl_Position = (Uniforms.projection * Uniforms.view * Uniforms.model) * vec4(position, 1);""", fragmentCode="color = outcolor;", ) - myengine.setRenderer(myengine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)) - var cube = newScene("scene", newEntity("cube", {"mesh": Component(newMesh(positions=cube_pos, indices=tris, colors=cube_color))})) + myengine.initRenderer({"default": shaderConfiguration}.toTable) + var cube = Scene(name: "scene", meshes: @[newMesh(positions=cube_pos, indices=tris, colors=cube_color, material=Material(name: "default"))]) cube.addShaderGlobal("projection", Unit4f32) cube.addShaderGlobal("view", Unit4f32) cube.addShaderGlobal("model", Unit4f32) - myengine.addScene(cube, inputs, @[], transformAttribute="") + myengine.addScene(cube) var t: float32 = cpuTime() while myengine.updateInputs() == Running and not myengine.keyWasPressed(Escape): - setShaderGlobal(cube, "model", translate3d(0'f32, 0'f32, 10'f32) * rotate3d(t, Yf32)) + setShaderGlobal(cube, "model", translate(0'f32, 0'f32, 10'f32) * rotate(t, Yf32)) setShaderGlobal(cube, "projection", perspective( float32(PI / 4), @@ -90,7 +87,6 @@ ) ) t = cpuTime() - myengine.renderScene(cube) myengine.destroy()