0
votes
0answers
14 views

Drawing a object with Box2D and HTML5 canvas on current mouse position

I'm attempting to create a air hockey type game with HTML5 canvas and JavaScript, using Box2dWeb for the physics calculation. I need a way to draw the puck at the current mouse x and y position every ...
0
votes
2answers
165 views

Physics for space game [duplicate]

I am making a space game where you fly a ship. I am trying to work out the physics for such a game and so far came up with: var thrust; //between 1 & 100 how much the engines are pushing var ...
0
votes
2answers
889 views

Calculating angle between two vectors to steer towards a target

I have been trying to implement a path following steering behaviour for AI in a 2D racing game. I have two vectors: futurePosition represents the predicted future position given the car's current ...
3
votes
4answers
3k views

2D Collision in Canvas - Balls Overlapping When Velocity is High

I am doing a simple experiment in canvas using Javascript in which some balls will be thrown on the screen with some initial velocity and then they will bounce on colliding with each other or with the ...
-1
votes
0answers
67 views

ball 2d animation [duplicate]

Possible Duplicate: canvas ball physics animation I want to animate ball in html canvas like this. ctx.beginPath(); ctx.arc(75, 75, 10, 0, Math.PI*2, true); ctx.closePath(); ctx.fill(); ...
4
votes
2answers
1k views

Calculating the angular direction from velocity

I'm trying to calculate the angular direction of a projectile, knowing it's X and Y velocity I can find the magnitude of its movement, but I'm having a hard time wrapping my mind around getting the ...