Basic simulation and evaluation


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Simulation of a pod's movement consists of 3 steps:

  1. game action is applied
  2. 1 game second of physics being simulated
  3. friction is applied

Applying a game action

Since a game action is just some angle and thrust, we just need to add move's angle to the pod's rotation, multiply pod's facing vector by thrust and add it to the velocity vector:

this.angle += move.angle; this.velocity += new Vector(Math.Cos(this.angle), Math.Sin(this.angle)) * move.thrust;

Simulating physics of a single pod

A pod's physics is only static movement, so we just need to "apply" velocity:

this.position += this.velocity*time;

We need to multiply velocity by time to be able to simulate less than 1 game second for collision simulation

Applying friction

Friction just takes 15% of velocity:

this.velocity -= this.velocity*0.15;

Or simpler:

this.velocity *= (1 - 0.15);

Basic pod class

class Pod

Writing functions for movement simulation.

class Pod
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