86 lines
2.9 KiB
JavaScript
86 lines
2.9 KiB
JavaScript
class LassoSelectionTool extends SelectionTool {
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currentPixels = []
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currSelection = {}
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constructor (name, options, switchFunc, moveTool) {
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super(name, options, switchFunc, moveTool);
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Events.on('click', this.mainButton, switchFunc, this);
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}
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onStart(mousePos) {
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super.onStart(mousePos);
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// Putting the vfx layer on top of everything
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currFile.VFXLayer.canvas.style.zIndex = MAX_Z_INDEX;
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// clearSelection();
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this.currentPixels = [];
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this.drawSelection();
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this.currentPixels.push([mousePos[0] / currFile.zoom, mousePos[1] / currFile.zoom]);
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}
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onDrag(mousePos) {
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super.onDrag(mousePos);
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if (this.currentPixels[this.currentPixels.length - 1] != mousePos)
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this.currentPixels.push([mousePos[0] / currFile.zoom, mousePos[1] / currFile.zoom]);
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this.drawSelection();
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console.log("here selection");
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}
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onEnd(mousePos) {
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super.onEnd(mousePos);
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new HistoryState().EditCanvas();
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this.currentPixels.push[this.startMousePos[0] / currFile.zoom, this.startMousePos[1] / currFile.zoom];
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this.getSelection();
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// Switch to the move tool so that the user can move the selection
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this.switchFunc(this.moveTool);
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}
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onSelect() {
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super.onSelect();
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}
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onDeselect() {
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super.onDeselect();
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}
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drawSelection() {
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if (this.currentPixels.length <= 1)
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return;
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let point = [];
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let prevPoint = [];
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currFile.VFXLayer.context.clearRect(0, 0, currFile.canvasSize[0], currFile.canvasSize[1]);
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currFile.VFXLayer.context.strokeStyle = 'rgba(0,0,0,1)';
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currFile.VFXLayer.context.fillStyle = 'rgba(0,0,0,1)';
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currFile.VFXLayer.context.lineWidth = 1;
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currFile.VFXLayer.context.beginPath();
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for (var index = 0; index < this.currentPixels.length; index ++) {
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point = this.currentPixels[index];
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if (index == 0)
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currFile.VFXLayer.context.moveTo(point[0], point[1]);
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else {
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prevPoint = this.currentPixels[index- 1];
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currFile.VFXLayer.context.lineTo(point[0], point[1]);
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currFile.VFXLayer.drawLine(Math.floor(prevPoint[0]), Math.floor(prevPoint[1]),
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Math.floor(point[0]), Math.floor(point[1]), 1);
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}
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}
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currFile.VFXLayer.drawLine(Math.floor(prevPoint[0]), Math.floor(prevPoint[1]),
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Math.floor(this.startMousePos[0] / currFile.zoom), Math.floor(this.startMousePos[1] / currFile.zoom), 1);
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currFile.VFXLayer.context.lineTo(this.startMousePos[0] / currFile.zoom, this.startMousePos[1] / currFile.zoom);
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currFile.VFXLayer.context.fillStyle = 'rgba(0,0,0,0.3)';
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currFile.VFXLayer.context.fill();
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currFile.VFXLayer.context.closePath();
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}
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getSelection() {
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}
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} |