45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
this.phys = physics.kinematic;
|
|
this.dir_view2world = function(dir) { return dir.scale(this.zoom); };
|
|
this.view2world = function(pos) {
|
|
var useren = window.rendersize.scale(this.zoom);
|
|
if (window.mode === window.modetypes.stretch) {
|
|
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);
|
|
}
|
|
if (window.mode === window.modetypes.full) {
|
|
pos = pos.sub(window.size.scale(0.5));
|
|
pos = pos.scale(this.zoom);
|
|
pos = pos.add(this.pos);
|
|
}
|
|
return pos;
|
|
};
|
|
this.world2view = function(pos) {
|
|
if (window.mode === window.modetypes.stretch) {
|
|
pos = pos.sub(this.pos);
|
|
pos = pos.scale(1.0/this.zoom);
|
|
pos = pos.add(window.rendersize.scale(0.5));
|
|
}
|
|
if (window.mode === window.modetypes.full) {
|
|
pos = pos.sub(this.pos);
|
|
pos = pos.scale(1/this.zoom);
|
|
pos = pos.add(window.size.scale(0.5));
|
|
}
|
|
return pos;
|
|
};
|
|
|
|
this.screenright = function() { return this.view2world(window.size).x; }
|
|
this.screenleft = function() { return this.view2world([0,0]).x; }
|
|
|
|
var zoom = 1;
|
|
|
|
Object.mixin(self, {
|
|
set zoom(x) {
|
|
zoom = x;
|
|
if (zoom <= 0.1) zoom = 0.1;
|
|
},
|
|
get zoom() { return zoom; }
|
|
}
|
|
);
|