This commit is contained in:
lxsang
2019-05-06 19:15:23 +02:00
parent 89495d96a6
commit ddba25df0c
3 changed files with 133 additions and 28 deletions

View File

@ -16,7 +16,7 @@
}
getBound() {
var i, len, peak_rb, peak_tl, ref, start, v, x, y;
var j, len, peak_rb, peak_tl, ref, start, v, x, y;
peak_tl = {
x: 0,
y: 0
@ -27,8 +27,8 @@
};
start = null;
ref = this.target.data;
for (i = 0, len = ref.length; i < len; i++) {
v = ref[i];
for (j = 0, len = ref.length; j < len; j++) {
v = ref[j];
x = v[0] / this.target.resolution;
y = v[1] / this.target.resolution;
if (x < peak_tl.x) {
@ -53,30 +53,84 @@
return this.height = peak_rb.y - peak_tl.y + 2 * this.offset;
}
prepare() {
var ctx, end, path, start;
ctx = this.el.getContext("2d");
ctx.translate(this.base.x, this.base.y);
ctx.canvas.width = this.width;
ctx.canvas.height = this.height;
paper.setup(this.el);
// draw the base
drawPoint(v, color, size) {
// center
return new paper.Path.Circle({
center: this.canvasPoint(v),
radius: size,
fillColor: color
});
}
drawGrid(size, color) {
var end, i, path, results, start, wgridsize;
wgridsize = this.target.resolution * size;
// draw y line
i = Math.ceil(this.bound[0].x / wgridsize);
while (i * wgridsize < this.bound[1].x) {
start = this.canvasPoint([i * wgridsize, this.bound[0].y]);
end = this.canvasPoint([i * wgridsize, this.bound[1].y]);
path = new paper.Path();
path.strokeColor = color;
path.moveTo(start);
path.lineTo(end);
i++;
}
// draw x line
i = Math.ceil(this.bound[0].y / wgridsize);
results = [];
while (i * wgridsize < this.bound[1].y) {
start = this.canvasPoint([this.bound[0].x, i * wgridsize]);
end = this.canvasPoint([this.bound[1].x, i * wgridsize]);
path = new paper.Path();
path.strokeColor = color;
path.moveTo(start);
path.lineTo(end);
results.push(i++);
}
return results;
}
drawAxis(color) {
var end, path, start;
// x axis
path = new paper.Path();
path.strokeColor = '#BBBBBB';
path.strokeColor = color;
start = this.canvasPoint([this.bound[0].x, 0]);
end = this.canvasPoint([this.bound[1].x, 0]);
path.moveTo(start);
path.lineTo(end);
// y axis
path = new paper.Path();
path.strokeColor = '#BBBBBB';
path.strokeColor = color;
start = this.canvasPoint([0, this.bound[0].y]);
end = this.canvasPoint([0, this.bound[1].y]);
path.moveTo(start);
return path.lineTo(end);
path.lineTo(end);
return this.drawPoint([0, 0], color, 3);
}
prepare() {
var ctx;
ctx = this.el.getContext("2d");
ctx.translate(this.base.x, this.base.y);
ctx.canvas.width = this.width;
ctx.canvas.height = this.height;
return paper.setup(this.el);
}
//tool = new paper.Tool()
//hitOptions = {
// segments: true,
// stroke: true,
// fill: true,
// tolerance: 5
//}
//tool.onMouseMove = (event) ->
// hitResult = paper.project.hitTest event.point, hitOptions
// return unless hitResult
// console.log hitResult
render() {}
};
@ -90,13 +144,15 @@
// point clound render
render() {
var i, len, path, point, ref, start, v;
var j, len, path, point, ref, start, v;
this.drawGrid(20, "#DBDBDB"); // 20 px
this.drawAxis("#0A84FF");
path = new paper.Path();
path.strokeColor = 'black';
start = null;
ref = this.target.data;
for (i = 0, len = ref.length; i < len; i++) {
v = ref[i];
for (j = 0, len = ref.length; j < len; j++) {
v = ref[j];
point = this.canvasPoint(v);
if (!start) {
start = point;
@ -104,6 +160,7 @@
} else {
path.lineTo(point);
}
this.drawPoint(v, "black", 4);
}
return paper.view.draw();
}