Add raylib library

libs/raylib-4.5.0/examples/shapes/shapes_lines_bezier.c

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+/*******************************************************************************************
+*
+*   raylib [shapes] example - Cubic-bezier lines
+*
+*   Example originally created with raylib 1.7, last time updated with raylib 1.7
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    SetConfigFlags(FLAG_MSAA_4X_HINT);
+    InitWindow(screenWidth, screenHeight, "raylib [shapes] example - cubic-bezier lines");
+
+    Vector2 start = { 0, 0 };
+    Vector2 end = { (float)screenWidth, (float)screenHeight };
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsMouseButtonDown(MOUSE_BUTTON_LEFT)) start = GetMousePosition();
+        else if (IsMouseButtonDown(MOUSE_BUTTON_RIGHT)) end = GetMousePosition();
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("USE MOUSE LEFT-RIGHT CLICK to DEFINE LINE START and END POINTS", 15, 20, 20, GRAY);
+
+            DrawLineBezier(start, end, 2.0f, RED);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}