ronin/scripts/modules/magnet.js
Devine Lu Linvega 70910f7cb9 *
2017-04-17 16:02:40 -10:00

92 lines
2.6 KiB
JavaScript

function Magnet(rune)
{
Module.call(this,rune);
this.settings = {"grid" : new Rect("1x1"), "marker": new Position("4,4"), "reset" : new Bang()};
this.add_method(new Method("grid",["rect","position"]));
this.grid = function(params,preview = false)
{
if(!params.rect()){ return; }
if(!this.layer){ this.create_layer(); }
this.layer.clear();
this.draw_grid(params.rect(),params.position());
if(preview == false){
this.settings["grid"] = params.rect();
this.settings["market"] = params.position();
}
}
this.draw_grid = function(rect,grid)
{
if(!rect){ rect = new Rect("20x20"); }
if(!grid){ grid = new Position("4,4"); }
this.settings["grid"] = rect;
this.settings["marker"] = grid;
if(rect.width < 5 || rect.height < 5){ return; }
var horizontal = ronin.frame.settings["size"].width/rect.width;
var vertical = ronin.frame.settings["size"].height/rect.height;
for (var x = 1; x < horizontal; x++) {
for (var y = 1; y < vertical; y++) {
var dot_position = new Position(x * rect.width, y * rect.height);
var size = 0.5;
if(grid && x % grid.x == 0 && y % grid.y == 0){ size = 1; }
this.draw_marker(dot_position,size);
}
}
}
this.draw_helper = function(position)
{
if(this.settings["grid"].width < 5 || this.settings["grid"].height < 5){ return; }
var magnetized = this.magnetic_position(position);
this.context().beginPath();
this.context().arc(magnetized.x, magnetized.y, 4, 0, 2 * Math.PI, false);
this.context().strokeStyle = 'white';
this.context().stroke();
this.context().closePath();
}
this.draw_marker = function(position,size = 0.5)
{
this.context().beginPath();
this.context().arc(position.x, position.y, size, 0, 2 * Math.PI, false);
this.context().fillStyle = 'white';
this.context().fill();
this.context().closePath();
}
this.magnetic_position = function(position)
{
var x = parseInt(position.x / this.settings["grid"].width) * this.settings["grid"].width;
var y = parseInt(position.y / this.settings["grid"].width) * this.settings["grid"].width;
return new Position(x,y);
}
this.update_mouse = function(position)
{
if(this.settings["grid"].width > 4 || this.settings["grid"].height > 4){
if(!this.layer){ this.create_layer(); }
this.layer.clear();
this.draw_helper(position);
this.draw_grid(this.settings["grid"],this.settings["marker"]);
}
return this.magnetic_position(position);
}
this.key_escape = function()
{
if(this.layer){ this.layer.remove(this); }
}
}