Function main

examples/shapes/shapes_collision_area.cpp:16–102

#include <cmath> // NOLINT

int main(void)
{
    // Initialization
    //---------------------------------------------------------
    const int screenWidth = 800;
    const int screenHeight = 450;

    raylib::Window window(screenWidth, screenHeight, "raylib [shapes] example - collision area");

    // Box A: Moving box
    raylib::Rectangle boxA(10, GetScreenHeight()/2 - 50, 200, 100);
    int boxASpeedX = 4;

    // Box B: Mouse moved box
    raylib::Rectangle boxB(GetScreenWidth()/2 - 30, GetScreenHeight()/2 - 30, 60, 60);

    raylib::Rectangle boxCollision(0); // Collision rectangle

    int screenUpperLimit = 40;      // Top menu limits

    bool pause = false;             // Movement pause
    bool collision = false;         // Collision detection

    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
    //----------------------------------------------------------

    // Main game loop
    while (!window.ShouldClose()) {    // Detect window close button or ESC key
        // Update
        //-----------------------------------------------------
        // Move box if not paused
        if (!pause) boxA.x += boxASpeedX;

        // Bounce box on x screen limits
        if (((boxA.x + boxA.width) >= GetScreenWidth()) || (boxA.x <= 0)) boxASpeedX *= -1;

        // Update player-controlled-box (box02)
        boxB.x = GetMouseX() - boxB.width/2;
        boxB.y = GetMouseY() - boxB.height/2;

        // Make sure Box B does not go out of move area limits
        if ((boxB.x + boxB.width) >= GetScreenWidth()) boxB.x = GetScreenWidth() - boxB.width;
        else if (boxB.x <= 0) boxB.x = 0;

        if ((boxB.y + boxB.height) >= GetScreenHeight()) boxB.y = GetScreenHeight() - boxB.height;
        else if (boxB.y <= screenUpperLimit) boxB.y = screenUpperLimit;

        // Check boxes collision
        collision = boxA.CheckCollision(boxB);

        // Get collision rectangle (only on collision)
        if (collision) boxCollision = boxA.GetCollision(boxB);

        // Pause Box A movement
        if (IsKeyPressed(KEY_SPACE)) pause = !pause;
        //-----------------------------------------------------

        // Draw