prosperon/scripts/camera2d.jso

this.phys = physics.kinematic;
this.dir_view2world = function(dir) { return dir.scale(this.zoom); };
this.view2world = function(pos) {
  pos = pos.scale([window.rendersize.x/window.size.x, window.rendersize.y/window.size.y]);
  pos = pos.sub(window.rendersize.scale(0.5));
  pos = pos.scale(this.zoom);
  pos = pos.add(this.pos);
  return pos;
};
this.world2view = function(pos) {
  pos = pos.sub(this.pos);
  pos = pos.scale(1.0/this.zoom);
  pos = pos.add(window.rendersize.scale(0.5));
  return pos;
};

this.screenright = function() { return this.view2world(window.size).x; }
this.screenleft = function() { return this.pos.x - (window.rendersize.x/2); }

this.zoom = 1;