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comparison tests/test_mesh.nim @ 230:027f6ff06585

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add: test mesh
author Sam <sam@basx.dev>
date Tue, 16 May 2023 16:08:06 +0700
parents ddfc54036e00
children f05497ef8fd2
comparison
equal deleted inserted replaced
229:7741bca03e7c 230:027f6ff06585
1 import std/times 1 import std/times
2 2
3 import semicongine 3 import semicongine
4 4
5 proc main() = 5 proc main() =
6 var scene = loadScene("test1.glb") 6 var scene = loadScene("default_cube.glb")
7 # var scene = loadScene("tutorialk-donat.glb")
8 7
9 var engine = initEngine("Test meshes") 8 var engine = initEngine("Test meshes")
10 const 9 const
11 vertexInput = @[attr[Vec3f]("POSITION", memoryPerformanceHint=PreferFastRead)] 10 vertexInput = @[attr[Vec3f]("POSITION", memoryPerformanceHint=PreferFastRead)]
12 fragOutput = @[attr[Vec4f]("color")] 11 fragOutput = @[attr[Vec4f]("color")]
13 uniforms = @[attr[Mat4]("transform")] 12 uniforms = @[attr[Mat4]("transform")]
14 vertexCode = compileGlslShader( 13 vertexCode = compileGlslShader(
15 stage=VK_SHADER_STAGE_VERTEX_BIT, 14 stage=VK_SHADER_STAGE_VERTEX_BIT,
16 inputs=vertexInput, 15 inputs=vertexInput,
17 uniforms=uniforms, 16 uniforms=uniforms,
18 main="""gl_Position = vec4(POSITION * 0.2, 1.0) * Uniforms.transform;""" 17 main="""gl_Position = vec4(POSITION, 1.0) * Uniforms.transform;"""
19 ) 18 )
20 fragmentCode = compileGlslShader( 19 fragmentCode = compileGlslShader(
21 stage=VK_SHADER_STAGE_FRAGMENT_BIT, 20 stage=VK_SHADER_STAGE_FRAGMENT_BIT,
22 outputs=fragOutput, 21 outputs=fragOutput,
23 uniforms=uniforms, 22 uniforms=uniforms,
25 color = vec4(61/255, 43/255, 31/255, 1); 24 color = vec4(61/255, 43/255, 31/255, 1);
26 """ 25 """
27 ) 26 )
28 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)) 27 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode))
29 engine.addScene(scene, vertexInput) 28 engine.addScene(scene, vertexInput)
30 let rotateAxis = newVec3f(1, 1, 1) 29 let rotateAxis = newVec3f(0, 1, 0)
31 scene.addShaderGlobal("transform", rotate3d(0'f32, rotateAxis)) 30 scene.addShaderGlobal("transform", Unit4)
32 var t = cpuTime() 31 var t = cpuTime()
33 while engine.updateInputs() == Running and not engine.keyIsDown(Escape): 32 while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
34 scene.setShaderGlobal("transform", rotate3d(float32(cpuTime() - t), rotateAxis)) 33 scene.setShaderGlobal(
34 "transform",
35 scale3d(0.2'f32, 0.2'f32, 0.2'f32) * translate3d(0'f32, 0'f32, 1.8'f32) * rotate3d(float32(PI) / 4'f32, newVec3f(1, 0, 0)) * rotate3d(-float32(cpuTime() - t), rotateAxis)
36 )
35 engine.renderScene(scene) 37 engine.renderScene(scene)
36 engine.destroy() 38 engine.destroy()
37 39
38 40
39 when isMainModule: 41 when isMainModule: