70 lines
2 KiB
Go
70 lines
2 KiB
Go
package main
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func main() {
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screenWidth := int32(800)
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screenHeight := int32(450)
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rl.InitWindow(screenWidth, screenHeight, "raylib [shaders] example - shapes and texture shaders")
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fudesumi := rl.LoadTexture("fudesumi.png")
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// NOTE: Using GLSL 330 shader version, on OpenGL ES 2.0 use GLSL 100 shader version
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shader := rl.LoadShader("glsl330/base.vs", "glsl330/grayscale.fs")
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rl.SetTargetFPS(60)
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for !rl.WindowShouldClose() {
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rl.BeginDrawing()
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rl.ClearBackground(rl.RayWhite)
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// Start drawing with default shader
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rl.DrawText("USING DEFAULT SHADER", 20, 40, 10, rl.Red)
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rl.DrawCircle(80, 120, 35, rl.DarkBlue)
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rl.DrawCircleGradient(80, 220, 60, rl.Green, rl.SkyBlue)
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rl.DrawCircleLines(80, 340, 80, rl.DarkBlue)
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// Activate our custom shader to be applied on next shapes/textures drawings
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rl.BeginShaderMode(shader)
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rl.DrawText("USING CUSTOM SHADER", 190, 40, 10, rl.Red)
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rl.DrawRectangle(250-60, 90, 120, 60, rl.Red)
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rl.DrawRectangleGradientH(250-90, 170, 180, 130, rl.Maroon, rl.Gold)
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rl.DrawRectangleLines(250-40, 320, 80, 60, rl.Orange)
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// Activate our default shader for next drawings
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rl.EndShaderMode()
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rl.DrawText("USING DEFAULT SHADER", 370, 40, 10, rl.Red)
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rl.DrawTriangle(rl.NewVector2(430, 80),
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rl.NewVector2(430-60, 150),
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rl.NewVector2(430+60, 150), rl.Violet)
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rl.DrawTriangleLines(rl.NewVector2(430, 160),
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rl.NewVector2(430-20, 230),
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rl.NewVector2(430+20, 230), rl.DarkBlue)
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rl.DrawPoly(rl.NewVector2(430, 320), 6, 80, 0, rl.Brown)
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// Activate our custom shader to be applied on next shapes/textures drawings
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rl.BeginShaderMode(shader)
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rl.DrawTexture(fudesumi, 500, -30, rl.White) // Using custom shader
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// Activate our default shader for next drawings
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rl.EndShaderMode()
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rl.DrawText("(c) Fudesumi sprite by Eiden Marsal", 380, screenHeight-20, 10, rl.Gray)
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rl.EndDrawing()
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}
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rl.UnloadShader(shader) // Unload shader
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rl.UnloadTexture(fudesumi) // Unload texture
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rl.CloseWindow() // Close window and OpenGL context
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}
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