Sweeping 2D Collision Detection Example

Sweep2dCol.c

    float x = 5.0f;
    float y = 5.0f;

    float destX = 25.0f;
    float destY = 30.0f;
    
    float diffX = abs(destX - x);
    float diffY = abs(destY - y);
    
    float scale = 0.0f;
    if (diffX > diffY)
        scale = diffX;
    else
        scale = diffY;
    
    float xStep = diffX / scale;
    float yStep = diffY / scale;
    
    while (x != destX && y != destY)
    {
        x += xStep;
        y += yStep;
        
        checkForCollision();
    }