ronin/scripts/modules/brush.js
Devine Lu Linvega b59abbd3bc Improved brush
2017-05-24 15:28:42 -10:00

137 lines
3.8 KiB
JavaScript

function Brush(rune)
{
Module.call(this,rune);
this.pointers = [new Pointer(new Position("0,0"))];
this.add_mode(new Mode("paint"));
this.add_mode(new Mode("erase","alt"));
this.add_setting(new Setting("color","#00ff00"));
this.add_setting(new Setting("size","2"));
this.add_method(new Method("add_pointer",["Position","Color","Scale","mirror_x","mirror_y"]));
this.add_method(new Method("clear"));
this.add_pointer = function(cmd, preview = false)
{
if(cmd.option("mirror_x")){
var mirror_x = parseFloat(cmd.option("mirror_x").value);
ronin.overlay.draw(new Position(mirror_x+",0"))
}
if(cmd.option("mirror_y")){
var mirror_y = parseFloat(cmd.option("mirror_y").value);
ronin.overlay.draw(new Position("0,"+mirror_y))
}
if(preview){
return;
}
var pointer = new Pointer();
pointer.offset = cmd.position() ? cmd.position() : new Position("0,0");
pointer.color = cmd.color() ? cmd.color().hex : this.settings["color"].value;
pointer.scale = cmd.value() ? cmd.value().float : 1;
if(mirror_x){ pointer.mirror_x = mirror_x; }
if(mirror_y){ pointer.mirror_y = mirror_y; }
this.pointers.push(pointer);
ronin.terminal.log(new Log(this,"Added pointer at: "+pointer.offset.render()));
return 1, "ok";
}
this.clear = function()
{
this.pointers = [];
return 1,"Removed all pointers.";
}
this.size_up = function()
{
var new_size = this.settings["size"].to_f() + 1;
this.settings["size"].update(new_size);
}
this.size_down = function()
{
var new_size = this.settings["size"].to_f() - 1;
this.settings["size"].update(new_size < 1 ? 1 : new_size);
}
// Eraser
this.erase = function()
{
if(!this.position_prev){this.position_prev = ronin.cursor.position; }
var position = ronin.cursor.position;
ronin.frame.context().beginPath();
ronin.frame.context().globalCompositeOperation="destination-out";
ronin.frame.context().moveTo(this.position_prev.x,this.position_prev.y);
ronin.frame.context().lineTo(position.x,position.y);
ronin.frame.context().lineCap="round";
ronin.frame.context().lineWidth = this.settings.size.to_f() * 3;
ronin.frame.context().strokeStyle = new Color("#ff0000").rgba();
ronin.frame.context().stroke();
ronin.frame.context().closePath();
this.position_prev = position;
}
// Mouse
this.mouse_pointer = function(position)
{
if(this.pointers.length < 1){ ronin.cursor.draw_pointer_no_pointer(position); return; }
return keyboard.shift_held == true ? ronin.cursor.draw_pointer_circle_eraser(position,this.settings["size"].to_f() * 3) : ronin.cursor.draw_pointer_circle(position,this.settings["size"].to_f());
}
this.mouse_mode = function()
{
if(keyboard.shift_held == true){
return "Erase "+this.settings["size"].to_f();
}
else{
return "Paint <i style='color:"+this.settings["color"].value+"'>&#9679;</i> "+this.settings["size"].to_f();
}
}
this.mouse_down = function(position)
{
if(position.is_outside()){ return; }
if(keyboard.shift_held == true){
this.erase();
}
else{
if(ronin.brush.pointers.length < 1){ ronin.terminal.log(new Log(this,"Brush has no pointers!"))}
for (i = 0; i < ronin.brush.pointers.length; i++) {
ronin.brush.pointers[i].start();
}
}
}
this.mouse_move = function(position,rect)
{
if(!this.mouse_held){ return; }
if(keyboard.shift_held == true){
this.erase();
}
else{
for (i = 0; i < ronin.brush.pointers.length; i++) {
ronin.brush.pointers[i].draw();
}
}
}
this.mouse_up = function(position,rect)
{
for (i = 0; i < ronin.brush.pointers.length; i++) {
ronin.brush.pointers[i].stop();
}
this.position_prev = null;
}
}