This question was closed Jan 19, 2020 at 01:03 AM by $$anonymous$$ for the following reason:

Can't be reproduced without extensive testing.

Question by $$anonymous$$ · Jan 18, 2020 at 08:26 AM · angles

Getting a forward angle for a throw.

Hey, I'm trying to use this script to send obj1 forward based on special_obj's transform.forward, however no matter what special_obj's forward is, obj1 still only goes straight.

The original script came from here (modified slightly as my task is different): https://forum.unity.com/threads/how-to-calculate-force-needed-to-jump-towards-target-point.372288/

         float initialAngle = 10;
         float gravity = Physics.gravity.magnitude;
         float angle = initialAngle * Mathf.Deg2Rad;
 
         // Positions of this object and the target on the same plane
         Vector3 opos = new Vector3(obj1.position.x, 0, obj1.position.z);
         Vector3 tpos = new Vector3(obj2.position.x, 0, obj2.position.z);
 
         // Planar distance between objects
         float distance = Vector3.Distance(tpos, opos);
         // Distance along the y axis between objects
         float yOffset = 0;
         float initialVelocity = (1 / Mathf.Cos(angle)) * Mathf.Sqrt((0.5f * gravity * Mathf.Pow(distance, 2)) / (distance * Mathf.Tan(angle) + yOffset));
 
         Vector3 velocity = new Vector3(0, initialVelocity * Mathf.Sin(angle), initialVelocity * Mathf.Cos(angle));
 
         // Rotate our velocity to match the direction between the two objects
         float angleBetweenObjects = Vector3.Angle(Vector3.forward, tpos - opos);
         Vector3 targetDir = obj2.position - obj1.position;
         
         //angleBetweenObjects = Vector3.SignedAngle(targetDir, transform.forward, Vector3.down);
         angleBetweenObjects = Vector3.SignedAngle(targetDir, special_obj.forward, Vector3.down);
         Vector3 finalVelocity = Quaternion.AngleAxis(angleBetweenObjects, Vector3.up) * velocity;
             
         rb.AddForce(finalVelocity * rb.mass, ForceMode.Impulse);

The code will send obj1 however forward obj2 is, but even when obj2 is to it's left or behind, obj1 still goes Vector3.forward (the correct distance) rather than special_obj's transform.forward.

I even tried replacing every Vector3.direction with special_obj.forward and the result was the same.

Thanks in advance.

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