raylib-cs/Examples/Shapes/LinesBezier.cs

/*******************************************************************************************
*
*   raylib [shapes] example - Cubic-bezier lines
*
*   This example has been created using raylib 1.7 (www.raylib.com)
*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
*   Copyright (c) 2017 Ramon Santamaria (@raysan5)
*
********************************************************************************************/

using System.Numerics;
using static Raylib_cs.Raylib;

namespace Examples.Shapes;

public class LinesBezier
{
    public static int Main()
    {
        // Initialization
        //--------------------------------------------------------------------------------------
        const int screenWidth = 800;
        const int screenHeight = 450;

        SetConfigFlags(ConfigFlags.FLAG_MSAA_4X_HINT);
        InitWindow(screenWidth, screenHeight, "raylib [shapes] example - cubic-bezier lines");

        Vector2 start = new(0, 0);
        Vector2 end = new(screenWidth, screenHeight);

        SetTargetFPS(60);
        //--------------------------------------------------------------------------------------

        // Main game loop
        while (!WindowShouldClose())
        {
            // Update
            //----------------------------------------------------------------------------------
            if (IsMouseButtonDown(MouseButton.MOUSE_LEFT_BUTTON))
            {
                start = GetMousePosition();
            }
            else if (IsMouseButtonDown(MouseButton.MOUSE_RIGHT_BUTTON))
            {
                end = GetMousePosition();
            }
            //----------------------------------------------------------------------------------

            // Draw
            //----------------------------------------------------------------------------------
            BeginDrawing();
            ClearBackground(Color.RAYWHITE);

            DrawText("USE MOUSE LEFT-RIGHT CLICK to DEFINE LINE START and END POINTS", 15, 20, 20, Color.GRAY);
            DrawLineBezier(start, end, 2.0f, Color.RED);

            EndDrawing();
            //----------------------------------------------------------------------------------
        }

        // De-Initialization
        //--------------------------------------------------------------------------------------
        CloseWindow();
        //--------------------------------------------------------------------------------------

        return 0;
    }
}