Update C sources and examples

examples/shapes/lines_bezier/main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"github.com/gen2brain/raylib-go/raylib"
+)
+
+func main() {
+	screenWidth := int32(800)
+	screenHeight := int32(450)
+
+	raylib.InitWindow(screenWidth, screenHeight, "raylib [shapes] example - cubic-bezier lines")
+
+	start := raylib.NewVector2(0, 0)
+	end := raylib.NewVector2(float32(screenWidth), float32(screenHeight))
+
+	raylib.SetTargetFPS(60)
+
+	for !raylib.WindowShouldClose() {
+		if raylib.IsMouseButtonDown(raylib.MouseLeftButton) {
+			start = raylib.GetMousePosition()
+		} else if raylib.IsMouseButtonDown(raylib.MouseRightButton) {
+			end = raylib.GetMousePosition()
+		}
+
+		raylib.BeginDrawing()
+		raylib.ClearBackground(raylib.RayWhite)
+
+		raylib.DrawText("USE MOUSE LEFT-RIGHT CLICK to DEFINE LINE START and END POINTS", 15, 20, 20, raylib.Gray)
+
+		raylib.DrawLineBezier(start, end, 2.0, raylib.Red)
+
+		raylib.EndDrawing()
+	}
+
+	raylib.CloseWindow()
+}