87 lines
1.7 KiB
JavaScript
87 lines
1.7 KiB
JavaScript
function Brush()
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{
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this.position = new Position();
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this.is_drawing = false;
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this.size = 1;
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this.opacity = 1;
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// Commander
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this.settings = function(p)
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{
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if(p[0]){ this.size = parseInt(p[0]); }
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if(p[1]){ this.opacity = parseFloat(p[1]); }
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if(p[2]){ this.color = new Color(p[2]); }
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}
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this.add = function(p)
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{
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if(p.length > 1){
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var position = new Position(parseInt(p[0]),parseInt(p[1]));
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var pointer = new Pointer(position);
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}
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if(p.length > 2){
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var color = new Color(p[2]);
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pointer = new Pointer(position,color);
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}
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this.add_pointer(pointer);
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}
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this.remove = function(p)
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{
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this.remove_pointer(new Position(p[0],p[1]));
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}
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// Pointers
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this.pointers = [new Pointer(new Position(0,0))];
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this.add_pointer = function(pointer)
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{
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this.pointers.push(pointer);
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}
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this.remove_pointer = function(target_position)
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{
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for (i = 0; i < this.pointers.length; i++) {
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if(this.pointers[i].offset.is_equal(target_position)){
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this.pointers.splice(i, 1);
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break;
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}
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}
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}
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// Draw
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this.draw = function(e)
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{
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if(this.is_drawing === false){return;}
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this.position = new Position(e.clientX,e.clientY);
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for (i = 0; i < this.pointers.length; i++) {
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this.pointers[i].draw();
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}
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}
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this.draw_start = function(e)
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{
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this.is_drawing = true;
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for (i = 0; i < this.pointers.length; i++) {
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this.pointers[i].start();
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}
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}
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this.draw_stop = function(e)
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{
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this.is_drawing = false;
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for (i = 0; i < this.pointers.length; i++) {
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this.pointers[i].stop();
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}
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}
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} |