// Update is called once per frame
void Update()
{
// Create a list that will store points on the collision-detection circle around the cannonball
List <int[]> points = new List <int[]>();
// Get the current x and y positions of the cannonball as integers (the center point of the cannonball) and add it to the points list
int[] centerPoint = new int[2] {
(int)transform.position.x, (int)transform.position.y
};
points.Add(centerPoint);
// Compute the left, right , top, and bottom points of the collision-detection circle around the cannonball
points.Add(new int[2] {
centerPoint[0] - collisionRadius, centerPoint[1]
}); // Left point
points.Add(new int[2] {
centerPoint[0] + collisionRadius, centerPoint[1]
}); // Right point
points.Add(new int[2] {
centerPoint[0], centerPoint[1] + collisionRadius
}); // Top point
points.Add(new int[2] {
centerPoint[0], centerPoint[1] - collisionRadius
}); // Bottom point
// Detect collision with water
if (collisionWithWater(points))
{
Destroy(gameObject); // The cannonball disappears
return; // End script
}
// Detect collision with ground
if (collisionWithGround(points))
{
// The cannonball bounces
cannonballMotion.Bounce(centerPoint[0], centerPoint[1]);
}
}
