63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
package main
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import (
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rl "git.terah.dev/UnrealXR/raylib-go/raylib"
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)
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func main() {
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screenWidth := int32(1280)
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screenHeight := int32(720)
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rl.SetConfigFlags(rl.FlagMsaa4xHint)
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rl.InitWindow(screenWidth, screenHeight, "raylib [shapes] example - bouncing ball")
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ballPos := rl.NewVector2(float32(screenWidth)/2, float32(screenHeight)/2)
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ballSpeed := rl.NewVector2(5, 4)
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ballRadius := 20
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pause := false
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frames := 0
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rl.SetTargetFPS(60)
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rl.SetMousePosition(0, 0)
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for !rl.WindowShouldClose() {
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if rl.IsKeyPressed(rl.KeySpace) {
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pause = !pause
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}
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if !pause {
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ballPos.X += ballSpeed.X
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ballPos.Y += ballSpeed.Y
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if ballPos.X >= float32(screenWidth)-float32(ballRadius) || ballPos.X <= float32(ballRadius) {
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ballSpeed.X *= -1
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}
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if ballPos.Y >= float32(screenHeight)-float32(ballRadius) || ballPos.Y <= float32(ballRadius) {
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ballSpeed.Y *= -1
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}
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} else {
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frames++
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}
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rl.BeginDrawing()
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rl.ClearBackground(rl.RayWhite)
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rl.DrawText("SPACE key to pause", 10, 10, 20, rl.Black)
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rl.DrawCircleV(ballPos, float32(ballRadius), rl.Red)
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if pause && (frames/30)%2 == 0 {
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rl.DrawText("PAUSED", 10, screenHeight-40, 30, rl.Black)
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}
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rl.DrawFPS(screenWidth-100, 10)
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rl.EndDrawing()
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}
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rl.CloseWindow()
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}
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