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comparison tests/test_materials.nim @ 200:1ba005328615

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add: few improvments for working with textures
author Sam <sam@basx.dev>
date Sun, 07 May 2023 18:13:39 +0700
parents da68fe12f600
children ab626e67a1ee
comparison
equal deleted inserted replaced
199:da68fe12f600 200:1ba005328615
1 import semicongine 1 import semicongine
2 2
3 proc main() = 3 proc main() =
4 var scene = newScene("main", root=newEntity("rect", rect())) 4 var scene = newScene("main", root=newEntity("rect", rect()))
5 let (R, W) = ([255'u8, 0'u8, 0'u8, 255'u8], [255'u8, 255'u8, 255'u8, 255'u8]) 5 let (R, W) = ([255'u8, 0'u8, 0'u8, 255'u8], [255'u8, 255'u8, 255'u8, 255'u8])
6 scene.addTexture("my_texture", TextureImage(width: 5, height: 5, imagedata: @[ 6 let (RT, WT, PT) = (hexToColorAlpha("A51931").asPixel, hexToColorAlpha("F4F5F8").asPixel, hexToColorAlpha("2D2A4A").asPixel)
7 R, R, R, R, R, 7 scene.addTexture("my_texture", TextureImage(width: 13, height: 5, imagedata: @[
8 R, R, W, R, R, 8 R, R, R, R, R, W, RT, RT, RT, RT, RT, RT, RT,
9 R, W, W, W, R, 9 R, R, W, R, R, W, WT, WT, WT, WT, WT, WT, WT,
10 R, R, W, R, R, 10 R, W, W, W, R, W, PT, PT, PT, PT, PT, PT, PT,
11 R, R, R, R, R, 11 R, R, W, R, R, W, WT, WT, WT, WT, WT, WT, WT,
12 R, R, R, R, R, W, RT, RT, RT, RT, RT, RT, RT,
12 ])) 13 ]))
14 var m: Mesh = Mesh(scene.root.components[0])
13 15
14 var engine = initEngine("Test materials") 16 var engine = initEngine("Test materials")
15 const 17 const
16 vertexInput = @[ 18 vertexInput = @[
17 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead), 19 attr[Vec3f]("position", memoryPerformanceHint=PreferFastRead),
36 ) 38 )
37 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode)) 39 engine.setRenderer(engine.gpuDevice.simpleForwardRenderPass(vertexCode, fragmentCode))
38 engine.addScene(scene, vertexInput) 40 engine.addScene(scene, vertexInput)
39 while engine.updateInputs() == Running and not engine.keyIsDown(Escape): 41 while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
40 engine.renderScene(scene) 42 engine.renderScene(scene)
41 break
42 engine.destroy() 43 engine.destroy()
43 44
44 45
45 when isMainModule: 46 when isMainModule:
46 main() 47 main()