From bbc8e558a5e8e5c97d2cfa1881dd7aad6727af61 Mon Sep 17 00:00:00 2001
From: unklnik <nscronwright@gmail.com>
Date: Wed, 4 Oct 2023 17:10:01 +0200
Subject: [PATCH] shapes examples

---
 examples/shapes/draw_circle_sector/main.go | 50 ++++++++++++++++++++++
 examples/shapes/draw_ring/main.go          | 49 +++++++++++++++++++++
 2 files changed, 99 insertions(+)
 create mode 100644 examples/shapes/draw_circle_sector/main.go
 create mode 100644 examples/shapes/draw_ring/main.go

diff --git a/examples/shapes/draw_circle_sector/main.go b/examples/shapes/draw_circle_sector/main.go
new file mode 100644
index 0000000..bf4ea18
--- /dev/null
+++ b/examples/shapes/draw_circle_sector/main.go
@@ -0,0 +1,50 @@
+package main
+
+import (
+	"math"
+
+	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 circle sector")
+
+	cntr := rl.NewVector2(float32(rl.GetScreenWidth()-300)/2, float32(rl.GetScreenHeight())/2)
+
+	outerRad, startAngle, endAngle, segments := float32(180), float32(0), float32(180), float32(10)
+	minSegments := 4
+
+	rl.SetTargetFPS(60)
+
+	for !rl.WindowShouldClose() {
+		rl.BeginDrawing()
+		rl.ClearBackground(rl.RayWhite)
+
+		rl.DrawLine(500, 0, 500, int32(rl.GetScreenHeight()), rl.Fade(rl.LightGray, 0.5))
+		rl.DrawRectangle(500, 0, int32(rl.GetScreenWidth()-500), int32(rl.GetScreenHeight()), rl.Fade(rl.LightGray, 0.3))
+
+		rl.DrawCircleSector(cntr, outerRad, startAngle, endAngle, int32(segments), rl.Fade(rl.Maroon, 0.5))
+		rl.DrawCircleSectorLines(cntr, outerRad, startAngle, endAngle, int32(segments), rl.Fade(rl.Maroon, 0.8))
+
+		startAngle = rg.SliderBar(rl.NewRectangle(600, 40, 120, 20), "Start Angle", "", startAngle, 0, 720)
+		endAngle = rg.SliderBar(rl.NewRectangle(600, 70, 120, 20), "End Angle", "", endAngle, 0, 720)
+		outerRad = rg.SliderBar(rl.NewRectangle(600, 140, 120, 20), "Radius", "", outerRad, 0, 200)
+		segments = rg.SliderBar(rl.NewRectangle(600, 170, 120, 20), "Segments", "", segments, 0, 100)
+
+		minSegments = int(math.Ceil(float64(endAngle-startAngle) / 90))
+
+		if segments >= float32(minSegments) {
+			rl.DrawText("MODE: MANUAL", 600, 200, 10, rl.Maroon)
+		} else {
+			rl.DrawText("MODE: AUTO", 600, 200, 10, rl.DarkGray)
+		}
+
+		rl.EndDrawing()
+	}
+
+	rl.CloseWindow()
+}
diff --git a/examples/shapes/draw_ring/main.go b/examples/shapes/draw_ring/main.go
new file mode 100644
index 0000000..8d8b8ba
--- /dev/null
+++ b/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()
+}