ronin/scripts/modules/brush.js
2017-03-18 15:02:37 -07:00

127 lines
3.2 KiB
JavaScript

function Brush(rune)
{
Module.call(this,rune);
// this.parameters = {"offset":Position,"mirror":Rect,"angle":Angle,"reset":Bang};
this.parameters = [];
this.settings = {"color":new Color("#ff0000"),"size":new Value(1)};
this.pointers = [];
// Module
this.install = function()
{
this.add_pointer(new Position("0,0"));
}
this.active = function(cmd)
{
if(cmd.bang()){ this.pointers = []; }
}
this.passive = function(cmd)
{
if(cmd.rect()){
var x = isNaN(cmd.rect().width) ? 0 : cmd.rect().width;
var y = isNaN(cmd.rect().height) ? 0 : cmd.rect().height;
var pos = new Position(x+","+y);
ronin.overlay.draw(pos);
}
if(cmd.angle() && cmd.position()){
ronin.overlay.draw(cmd.position());
}
}
this.size_up = function()
{
this.settings["size"].float -= this.settings["size"].float > 1 ? 1 : 0;
ronin.surface.update_widget();
ronin.terminal.log(new Log(this,"Increased pointer size to: "+this.size));
}
this.size_down = function()
{
this.settings["size"].float += 1;
ronin.surface.update_widget();
ronin.terminal.log(new Log(this,"Decreased pointer size to: "+this.size));
}
this.add_pointer = function(position)
{
ronin.terminal.log(new Log(this,"Added pointer at: "+position.render()));
var pointer = new Pointer();
pointer.offset = position;
this.pointers.push(pointer);
}
// Eraser
this.erase = function()
{
if(!this.position_prev){this.position_prev = ronin.cursor.position; }
var position = ronin.cursor.position;
ronin.surface.context().beginPath();
ronin.surface.context().globalCompositeOperation="destination-out";
ronin.surface.context().moveTo(this.position_prev.x,this.position_prev.y);
ronin.surface.context().lineTo(position.x,position.y);
ronin.surface.context().lineCap="round";
ronin.surface.context().lineWidth = this.settings["size"].float * 5;
ronin.surface.context().strokeStyle = new Color("#ff0000").rgba();
ronin.surface.context().stroke();
ronin.surface.context().closePath();
this.position_prev = position;
}
// Mouse
this.mouse_pointer = function(position)
{
return ronin.cursor.draw_pointer_circle(position,this.settings["size"].float);
}
this.mouse_mode = function()
{
if(keyboard.shift_held == true){
return "Eraser "+this.settings["size"].float;
}
else{
return "<i style='color:"+this.settings["color"].hex+"'>&#9679;</i> Brush "+ronin.brush.pointers.length+"x "+this.settings["size"].render();
}
}
this.mouse_down = function(position)
{
if(keyboard.shift_held == true){
this.erase();
}
else{
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();
}
}
}