ronin/scripts/modules/brush.js
Devine Lu Linvega 6c3ed550d3 Added eraser.
2016-12-20 10:07:29 -07:00

109 lines
2.3 KiB
JavaScript

function Brush(rune)
{
Module.call(this,rune);
this.parameters = [Position,Rect,Angle,Color,Value,Bang];
this.pointers = [new Pointer(new Position())];
this.size = 1;
this.opacity = 1;
this.color = new Color();
// Module
this.active = function(cmd)
{
if(cmd.bang()){ this.pointers = []; }
var pointer = new Pointer();
if(cmd.position()){
pointer.offset = cmd.position();
}
if(cmd.rect()){
pointer.mirror = cmd.rect();
}
if(cmd.variable("osc_scale") && cmd.variable("osc_rate")){
pointer.osc_rate = parseFloat(cmd.variable("osc_rate"));
pointer.osc_scale = parseFloat(cmd.variable("osc_scale"));
}
if(cmd.angle()){
pointer.angle = cmd.angle();
}
if(cmd.rect() || cmd.position() || cmd.variable("osc_rate") || cmd.angle()){
this.add_pointer(pointer);
}
if(cmd.color()){
this.color = cmd.color();
}
if(cmd.value()){
this.size = cmd.value().float;
}
ronin.widget.update();
}
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.add_pointer = function(pointer)
{
this.pointers.push(pointer);
}
this.widget = function()
{
return "> "+this.size+" <span>"+this.color.render()+"</span> ";
}
this.widget_cursor = function()
{
return "Brush "+this.size;
}
// Cursor
this.is_drawing = false;
this.mouse_down = function(position)
{
this.is_drawing = true;
for (i = 0; i < ronin.brush.pointers.length; i++) {
ronin.brush.pointers[i].start();
}
ronin.stroke.new_stroke();
}
this.mouse_move = function(position)
{
if(this.is_drawing === false){ return; }
for (i = 0; i < ronin.brush.pointers.length; i++) {
ronin.brush.pointers[i].draw();
}
ronin.stroke.append_stroke(position);
}
this.mouse_up = function(position)
{
this.is_drawing = false;
for (i = 0; i < ronin.brush.pointers.length; i++) {
ronin.brush.pointers[i].stop();
}
ronin.stroke.save_stroke();
}
}