Unity Hit Target Using Ballistic Trajectory

Step 1 Basic Info

1. Get Fire Direction
2. Get Height Difference
3. Get Horizontal Distance Using direction.megnitude
4. Convert Degree Angle To Radians
5. Set Direction To Evolution Angle
6. Correct Small Height Difference i.e distance = distance + h / tan(angle)
7. Calculate Velocity Sqrt(dista * grevity.magnitude / sin(2 * angle))
8. Normalize Direction Velocity * Direction.normalize

Step 2 Code Sample

var dir = target.position - transform.position; // get target direction
var h = dir.y; // get height difference
dir.y = 0; // retain only the horizontal direction
var dist = dir.magnitude ; // get horizontal distance
var a = angle * Mathf.Deg2Rad; // convert angle to radians
dir.y = dist * Mathf.Tan(a); // set dir to the elevation angle
dist += h / Mathf.Tan(a); // correct for small height differences
// calculate the velocity magnitude
var vel = Mathf.Sqrt(dist * Physics.gravity.magnitude / Mathf.Sin(2 * a));
vel = vel * dir.normalized;

I hope you found this blog helpful while Hit Target Using Ballistic Trajectory. Let me know if you have any questions or concerns regarding  Unity please put a comment here and we will get back to you ASAP.

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Tejas Jasani

An entrepreneur who has founded 2 flourishing software firms in 7 years, Tejas is keen to understand everything about gaming - from the business dynamics to awesome designs to gamer psychology. As the founder-CEO of a company that has released some very successful games, he knows a thing or two about gaming. He shares his knowledge through blogs and talks that he gets invited to.