94 lines
2.6 KiB
Python
94 lines
2.6 KiB
Python
"""
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Example converted to Python from:
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http://bedroomcoders.co.uk/raylib-fog/
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"""
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from raylib.dynamic import raylib as rl, ffi
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from raylib.colors import *
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rl.SetConfigFlags(rl.FLAG_MSAA_4X_HINT | rl.FLAG_WINDOW_RESIZABLE)
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rl.InitWindow(1280, 768, b'Fog Test')
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camera = ffi.new('struct Camera3D *', [
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[2, 2, 6],
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[0, 5, 0],
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[0, 1, 0],
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45,
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rl.CAMERA_PERSPECTIVE
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])
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model = rl.LoadModelFromMesh(rl.GenMeshTorus(0.4, 1, 16, 32))
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model2 = rl.LoadModelFromMesh(rl.GenMeshCube(1, 1, 1))
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model3 = rl.LoadModelFromMesh(rl.GenMeshSphere(0.5, 32, 32))
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texture = rl.LoadTexture(b'resources/test.png')
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model.materials[0].maps[rl.MAP_DIFFUSE].texture = texture
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model2.materials[0].maps[rl.MAP_DIFFUSE].texture = texture
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model3.materials[0].maps[rl.MAP_DIFFUSE].texture = texture
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shader = rl.LoadShader(b'resources/shaders/fogLight.vs', b'resources/shaders/fogLight.fs')
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shader.locs[rl.LOC_MATRIX_MODEL] = rl.GetShaderLocation(shader, b'matModel')
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shader.locs[rl.LOC_VECTOR_VIEW] = rl.GetShaderLocation(shader, b'viewPos')
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amb = rl.GetShaderLocation(shader, b'ambient')
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rl.SetShaderValue(shader, amb, ffi.new('float[]', [0.2, 0.2, 0.2, 1.0]), rl.UNIFORM_VEC4)
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fog_color = [0.2, 0.2, 1.0, 1.0]
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fogC = rl.GetShaderLocation(shader, b'fogColor')
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rl.SetShaderValue(shader, fogC, ffi.new('float[]', fog_color), rl.UNIFORM_VEC4)
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fogD = rl.GetShaderLocation(shader, b'FogDensity')
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fogDensity = 0.12
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rl.SetShaderValue(shader, fogD, ffi.new('float[]', [fogDensity]), rl.UNIFORM_FLOAT)
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model.materials[0].shader = shader
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model2.materials[0].shader = shader
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model3.materials[0].shader = shader
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rl.SetCameraMode(camera[0], rl.CAMERA_ORBITAL)
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rl.SetTargetFPS(60)
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while not rl.WindowShouldClose():
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rl.UpdateCamera(camera)
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if rl.IsKeyDown(rl.KEY_UP):
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fogDensity = min(fogDensity + 0.001, 1)
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if rl.IsKeyDown(rl.KEY_DOWN):
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fogDensity = max(fogDensity - 0.001, 0)
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rl.SetShaderValue(shader, fogD, ffi.new('float[]', [fogDensity]), rl.UNIFORM_FLOAT)
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rl.SetShaderValue(shader, shader.locs[rl.LOC_VECTOR_VIEW], ffi.new('float[]', [camera.position.x]), rl.UNIFORM_VEC3)
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rl.BeginDrawing()
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rl.ClearBackground([int(255 * i) for i in fog_color])
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rl.BeginMode3D(camera[0])
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rl.DrawModel(model, [0] * 3, 1, WHITE)
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rl.DrawModel(model2, [-2.6, 0, 0], 1, WHITE)
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rl.DrawModel(model3, [ 2.6, 0, 0], 1, WHITE)
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for i in range(-20, 20, 2):
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rl.DrawModel(model, [i, 0, 2], 1, WHITE)
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rl.DrawGizmo([1000, 1000, 1000])
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rl.EndMode3D()
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rl.DrawFPS(10, 10)
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rl.DrawText(f'Up/Down to change fog density: {fogDensity}'.encode('utf-8'), 10, 30, 20, WHITE)
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rl.EndDrawing()
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rl.CloseWindow()
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rl.UnloadModel(model)
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rl.UnloadModel(model2)
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rl.UnloadModel(model3)
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rl.UnloadTexture(texture)
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rl.UnloadShader(shader)
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