shapes examples

examples/shapes/draw_ring/main.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	rg "github.com/gen2brain/raylib-go/raygui"
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+func main() {
+	screenWidth := int32(800)
+	screenHeight := int32(450)
+
+	rl.InitWindow(screenWidth, screenHeight, "raylib [shapes] example - draw ring")
+
+	cntr := rl.NewVector2(float32(rl.GetScreenWidth()-300)/2, float32(rl.GetScreenHeight())/2)
+	innerRad, outerRad := float32(80), float32(190)
+	startAngle, endAngle, segments := float32(0), float32(360), float32(0)
+	drawRing, drawRingLines, drawCircLines := true, false, false
+
+	rl.SetTargetFPS(60)
+
+	for !rl.WindowShouldClose() {
+		rl.BeginDrawing()
+		rl.ClearBackground(rl.RayWhite)
+
+		rl.DrawLine(500, 0, 500, int32(rl.GetScreenHeight()), rl.Fade(rl.LightGray, 0.3))
+
+		if drawRing {
+			rl.DrawRing(cntr, innerRad, outerRad, startAngle, endAngle, int32(segments), rl.Fade(rl.Maroon, 0.7))
+		}
+		if drawRingLines {
+			rl.DrawRingLines(cntr, innerRad, outerRad, startAngle, endAngle, int32(segments), rl.Fade(rl.Black, 0.7))
+		}
+		if drawCircLines {
+			rl.DrawCircleSectorLines(cntr, outerRad, startAngle, endAngle, int32(segments), rl.Fade(rl.Black, 0.7))
+		}
+
+		startAngle = rg.SliderBar(rl.NewRectangle(600, 40, 120, 20), "Start Angle", "", startAngle, -450, 450)
+		endAngle = rg.SliderBar(rl.NewRectangle(600, 70, 120, 20), "End Angle", "", endAngle, -450, 450)
+		innerRad = rg.SliderBar(rl.NewRectangle(600, 140, 120, 20), "Inner Radius", "", innerRad, -450, 450)
+		outerRad = rg.SliderBar(rl.NewRectangle(600, 170, 120, 20), "Outer Radius", "", outerRad, -450, 450)
+		drawRing = rg.CheckBox(rl.NewRectangle(600, 320, 20, 20), "Draw Ring", drawRing)
+		drawRingLines = rg.CheckBox(rl.NewRectangle(600, 350, 20, 20), "Draw Ring Lines", drawRingLines)
+		drawCircLines = rg.CheckBox(rl.NewRectangle(600, 380, 20, 20), "Draw Ring", drawCircLines)
+
+		rl.EndDrawing()
+	}
+
+	rl.CloseWindow()
+}