67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
package main
|
|
|
|
import (
|
|
rl "github.com/gen2brain/raylib-go/raylib"
|
|
)
|
|
|
|
func main() {
|
|
screenWidth := int32(800)
|
|
screenHeight := int32(450)
|
|
|
|
rl.InitWindow(screenWidth, screenHeight, "raylib [shaders] example - texture waves")
|
|
|
|
texture := rl.LoadTexture("space.png")
|
|
|
|
shader := rl.LoadShader("", "wave.fs")
|
|
|
|
secondsLoc := rl.GetShaderLocation(shader, "seconds")
|
|
freqXLoc := rl.GetShaderLocation(shader, "freqX")
|
|
freqYLoc := rl.GetShaderLocation(shader, "freqY")
|
|
ampXLoc := rl.GetShaderLocation(shader, "ampX")
|
|
ampYLoc := rl.GetShaderLocation(shader, "ampY")
|
|
speedXLoc := rl.GetShaderLocation(shader, "speedX")
|
|
speedYLoc := rl.GetShaderLocation(shader, "speedY")
|
|
|
|
freqX := []float32{25}
|
|
freqY := []float32{25}
|
|
ampX := []float32{5}
|
|
ampY := []float32{5}
|
|
speedX := []float32{8}
|
|
speedY := []float32{8}
|
|
|
|
screensize := []float32{float32(rl.GetScreenWidth()), float32(rl.GetScreenHeight())}
|
|
|
|
rl.SetShaderValue(shader, rl.GetShaderLocation(shader, "size"), screensize, rl.ShaderUniformVec2)
|
|
rl.SetShaderValue(shader, freqXLoc, freqX, rl.ShaderUniformFloat)
|
|
rl.SetShaderValue(shader, freqYLoc, freqY, rl.ShaderUniformFloat)
|
|
rl.SetShaderValue(shader, ampXLoc, ampX, rl.ShaderUniformFloat)
|
|
rl.SetShaderValue(shader, ampYLoc, ampY, rl.ShaderUniformFloat)
|
|
rl.SetShaderValue(shader, speedXLoc, speedX, rl.ShaderUniformFloat)
|
|
rl.SetShaderValue(shader, speedYLoc, speedY, rl.ShaderUniformFloat)
|
|
|
|
seconds := []float32{0}
|
|
|
|
rl.SetTargetFPS(60)
|
|
|
|
for !rl.WindowShouldClose() {
|
|
|
|
seconds[0] += rl.GetFrameTime()
|
|
rl.SetShaderValue(shader, secondsLoc, seconds, rl.ShaderUniformFloat)
|
|
|
|
rl.BeginDrawing()
|
|
|
|
rl.ClearBackground(rl.RayWhite)
|
|
|
|
rl.BeginShaderMode(shader)
|
|
rl.DrawTexture(texture, 0, 0, rl.White)
|
|
rl.DrawTexture(texture, texture.Width, 0, rl.White)
|
|
rl.EndShaderMode()
|
|
|
|
rl.EndDrawing()
|
|
}
|
|
|
|
rl.UnloadShader(shader)
|
|
rl.UnloadTexture(texture)
|
|
|
|
rl.CloseWindow()
|
|
}
|