public void Instance_OnBallLaunched(float flightTime, float velocity, Vector3 initial, Vector3 target)
{
BallLaunched temp = OnBallLaunched;
if (temp != null)
{
temp.Invoke(flightTime, velocity, initial, target);
}
}
public void Launch(float power, Vector3 final)
{
//set the initial position
Vector3 initial = Position;
//find the direction vectors
Vector3 toTarget = final - initial;
Vector3 toTargetXZ = toTarget;
toTargetXZ.y = 0;
//find the time to target
float time = toTargetXZ.magnitude / power;
// calculate starting speeds for xz and y. Physics forumulase deltaX = v0 * t + 1/2 * a * t * t
// where a is "-gravity" but only on the y plane, and a is 0 in xz plane.
// so xz = v0xz * t => v0xz = xz / t
// and y = v0y * t - 1/2 * gravity * t * t => v0y * t = y + 1/2 * gravity * t * t => v0y = y / t + 1/2 * gravity * t
toTargetXZ = toTargetXZ.normalized * toTargetXZ.magnitude / time;
//set the y-velocity
Vector3 velocity = toTargetXZ;
velocity.y = toTarget.y / time + (0.5f * gravity * time);
//return the velocity
Rigidbody.velocity = velocity;
//invoke the ball launched event
BallLaunched temp = OnBallLaunched;
if (temp != null)
{
temp.Invoke(time, power, initial, final);
}
}
