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outApproach.js
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Number.prototype.map = function (in_min, in_max, out_min, out_max) {
return (this - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
class guiControls {
constructor(type) {
this.type = type;
this.guiControlsId = type + 'GuiControls';
this.guiControlsSelector = '#' + type + 'GuiControls';
this.rotationWheelAngle = 0;
this.scaleWheelAmount = 1;
}
init(width, height, x, y) {
d3.select("#mainSVG").append('svg')
.attr('id', this.guiControlsId)
.attr('width', width)
.attr('height', height)
.attr('x', x)
.attr('y', y)
.attr('viewBox', '0 0 ' + width.toString() + " " + height.toString())
.attr('preserveAspectRatio', 'xMinYMinmeet');
d3.select(this.guiControlsSelector).append('g')
.attr('id', 'rotationWheelGroup');
d3.select(this.guiControlsSelector).append('g')
.attr('id', 'scaleWheelGroup')
.attr("transform", "translate(" + 0 + "," + -1 * height / 1.55 + ")");
var rotWhlCircumferenceRadius = 50;
var imageEditGuiControls = this;
var rotationWheelDrag = d3.drag(imageEditGuiControls)
.on("start", dragstarted)
.on("drag", rotationWheelDragged)
.on("end", dragended);
var rotationWheelGroup = d3.select('#rotationWheelGroup').attr("transform", "translate(" + width * 0.33 + "," + height / 2.8 + ")");
var circumference = rotationWheelGroup.append('circle')
.attr('r', rotWhlCircumferenceRadius)
.attr('class', 'rotWhlCircumference')
.call(addRotLines);
var handle = [{
x: 0,
y: -rotWhlCircumferenceRadius
}];
var handle_circle = rotationWheelGroup.append("g")
.attr("class", "rotationWheelHandle")
.selectAll('circle')
.data(handle)
.enter().append("circle")
.attr("r", 12)
.attr("cx", function(d) {
return d.x; })
.attr("cy", function(d) {
return d.y; })
.call(rotationWheelDrag);
function rotationWheelDragged(d) {
let d_from_origin = Math.sqrt(Math.pow(d3.event.x, 2) + Math.pow(d3.event.y, 2));
var alpha = Math.acos(d3.event.x / d_from_origin);
var circumferenceOriginX = d3.select(".rotWhlCircumference").attr('cx');
var circumferenceOriginY = d3.select(".rotWhlCircumference").attr('cy');
var dx = circumferenceOriginX - d3.event.x;
var dy = circumferenceOriginY - d3.event.y;
var theta = Math.atan2(dy, dx) * 180 / Math.PI - 90;
if (theta < 0) { theta += 360; }
if(alpha > 1.4 && alpha < 1.6){
alpha = 1.55;
if(d3.event.y < 0){
imageEditGuiControls.rotationWheelAngle = 0;
}
else{
imageEditGuiControls.rotationWheelAngle = 180;
}
}
else if(alpha > 3.0 && alpha < 3.2){
alpha = 3.1;
imageEditGuiControls.rotationWheelAngle = 270;
}
else if(alpha < 0.1){
alpha = 0.05;
imageEditGuiControls.rotationWheelAngle = 90;
}
else{
imageEditGuiControls.rotationWheelAngle = theta;
}
// console.log(imageEditGuiControls.rotationWheelAngle);
var newRot = d3.select("#content").attr('style').replace(/rotate\(\W?\d+\.?\d*deg\)/,'rotate('+imageEditGuiControls.rotationWheelAngle+'deg)');
d3.select("#content").attr('style',newRot);
d3.select(this)
.attr("cx", d.x = rotWhlCircumferenceRadius * Math.cos(alpha))
.attr("cy", d.y = d3.event.y < 0 ? -rotWhlCircumferenceRadius * Math.sin(alpha) : rotWhlCircumferenceRadius * Math.sin(alpha));
}
var sclWhlCircumferenceRadius = 50;
var imageEditGuiControls = this;
var scaleWheelGroup = d3.select('#scaleWheelGroup').attr("transform", "translate(" + width * 0.66 + "," + height / 2.8 + ")");
var circumference = scaleWheelGroup.append('circle')
.attr('r', sclWhlCircumferenceRadius)
.attr('class', 'sclWhlCircumference')
.call(addScaleLines);
var arc = d3.arc()
.innerRadius(46)
.outerRadius(53)
.startAngle(0.80 * Math.PI)
.endAngle(1.20 * Math.PI);
var coords = arc().split("L")[1].split("A")[0].split(',');
var arcCoords = {}
arcCoords.arcEndx = parseFloat(coords[0]);
arcCoords.arcEndy = parseFloat(coords[1]);
arcCoords.arcStartx = arcCoords.arcEndx + sclWhlCircumferenceRadius;
arcCoords.arcStarty = arcCoords.arcEndy;
var arcGroup = scaleWheelGroup.append("g").attr('class', 'sclArcGroup');
arcGroup.append("path")
.attr('fill', '#ffffff')
.attr("class", "sclArc")
.attr("d", arc);
var scaleWheelDrag = d3.drag(imageEditGuiControls, arcCoords)
.on("start", dragstarted)
.on("drag", scaleWheelDragged)
.on("end", dragended);
var handle = [{
x: 0,
y: -sclWhlCircumferenceRadius
}];
var handle_circle = scaleWheelGroup.append("g")
.attr("class", "scaleWheelHandle")
.selectAll('circle')
.data(handle)
.enter().append("circle")
.attr("r", 12)
.attr("cx", function(d) {
return d.x; })
.attr("cy", function(d) {
return d.y; })
.call(scaleWheelDrag);
function scaleWheelDragged(d) {
var handleCoords = {}
handleCoords.cx = parseFloat(d3.select(".scaleWheelHandle").select('circle').attr('cx'));
handleCoords.cy = parseFloat(d3.select(".scaleWheelHandle").select('circle').attr('cy'));
// console.log(handleCoords.cy,arcCoords.arcEndy)
let d_from_origin = Math.sqrt(Math.pow(d3.event.x, 2) + Math.pow(d3.event.y, 2));
var alpha = Math.acos(d3.event.x / d_from_origin);
var circumferenceOriginX = d3.select(".sclWhlCircumference").attr('cx');
var circumferenceOriginY = d3.select(".sclWhlCircumference").attr('cy');
var dx = circumferenceOriginX - d3.event.x;
var dy = circumferenceOriginY - d3.event.y;
var theta = Math.atan2(dy, dx) * 180 / Math.PI - 90;
var linTheta = Math.atan2(dy, dx) * 180 / Math.PI - 90;
if (linTheta > 215 ){ linTheta -= 360; }
if (linTheta > -270 && linTheta < -200 ){ linTheta += 360; }
if (theta < 0) { theta += 360; }
var isDragging = d3.select(this)
.classed("dragging");
if ((theta < 145 || theta > 215) && isDragging) {
if(linTheta > 140){
linTheta=140;
}
else if(linTheta < -140){
linTheta=-140;
}
if(linTheta < 5 && linTheta > -5 ){
alpha = 1.55;
imageEditGuiControls.scaleWheelAmount = 1;
}else{
imageEditGuiControls.scaleWheelAmount = linTheta.map(-140, 140,0,2);
}
d3.select(this)
.attr("cx", d.x = sclWhlCircumferenceRadius * Math.cos(alpha))
.attr("cy", d.y = d3.event.y < 0 ? -sclWhlCircumferenceRadius * Math.sin(alpha) : sclWhlCircumferenceRadius * Math.sin(alpha));
var newScale = d3.select("#content").attr('style').replace(/scale\(\d+\.?\d*,\s*\d+\.?\d*\)/,'scale('+imageEditGuiControls.scaleWheelAmount+','+imageEditGuiControls.scaleWheelAmount+')');
console.log(newScale)
d3.select("#content").attr('style',newScale);
} else if (theta > 180 && theta < 182) {
d3.select(this)
.classed("dragging", false);
}
}
function dragstarted(d) {
d3.event.sourceEvent.stopPropagation();
d3.select(this)
.classed("dragging", true);
}
function dragended(d) {
d3.select(this)
.classed("dragging", false);
}
function addRotLines() {
var bb = d3.select(".rotWhlCircumference").node().getBBox();
var circumferenceRad = parseFloat(d3.select(".rotWhlCircumference").attr('r'));
var lineLength = 10;
var l1 = {},
l2 = {},
l3 = {},
l4 = {};
var lineData = [];
l1.id = 'l1';
l1.x1 = bb.x + circumferenceRad;
l1.x2 = bb.x + circumferenceRad;
l1.y1 = bb.y - lineLength / 2;
l1.y2 = bb.y + lineLength / 2;
l2.id = 'l2';
l2.x1 = bb.x + (circumferenceRad * 2) + lineLength / 2;
l2.x2 = bb.x + (circumferenceRad * 2) - lineLength / 2;
l2.y1 = bb.y + circumferenceRad;
l2.y2 = bb.y + circumferenceRad;
l3.id = 'l3';
l3.x1 = bb.x + circumferenceRad;
l3.x2 = bb.x + circumferenceRad;
l3.y1 = bb.y + (circumferenceRad * 2) - lineLength / 2;
l3.y2 = bb.y + (circumferenceRad * 2) + lineLength / 2;
l4.id = 'l4';
l4.x1 = bb.x - lineLength / 2;
l4.x2 = bb.x + lineLength / 2;
l4.y1 = bb.y + circumferenceRad;
l4.y2 = bb.y + circumferenceRad;
lineData.push(l1);
lineData.push(l2);
lineData.push(l3);
lineData.push(l4);
lineData.class = 'rotLine';
var lines = rotationWheelGroup.append("g")
.attr("class", 'rotLines')
.selectAll('line')
.data(lineData)
.enter().append("line")
.attr("id", function(d, i) {
return d.id; })
.attr("x1", function(d, i) {
return d.x1; })
.attr("x2", function(d, i) {
return d.x2; })
.attr("y1", function(d, i) {
return d.y1; })
.attr("y2", function(d, i) {
return d.y2; })
.attr('stroke-width', 5)
.attr('stroke', ' #25a8e0')
.attr("stroke-linecap", "round");
var arc = d3.arc()
.innerRadius(26)
.outerRadius(28)
.startAngle(0.3 * Math.PI)
.endAngle(2 * Math.PI);
var coords = arc().split("L")[1].split("A")[0].split(',');
var arcEndx = parseFloat(coords[0]);
var arcEndy = parseFloat(coords[1]);
var arcGroup = rotationWheelGroup.append("g").attr('class', 'rotArcGroup');
arcGroup.append("path")
.attr("class", "rotArc")
.attr("d", arc);
arcGroup.append('path')
.attr('d', function(d) {
var x = arcEndx,
y = arcEndy;
return 'M ' + x + ' ' + y + ' l 6 6 l -12 0 z';
})
.attr('style', 'transform-origin:center center;transform:translateY(-3.5px)rotate(90deg);');
}
function addScaleLines() {
}
var contentDrag = d3.drag(imageEditGuiControls)
.on("start", dragstarted)
.on("drag", contentDragged)
.on("end", dragended);
function contentDragged(d) {
var target = d3.select(this);
// keep the dragged position in the data-x/data-y attributes
x = (parseFloat(target.attr('data-x')) || 0) + d3.event.dx,
y = (parseFloat(target.attr('data-y')) || 0) + d3.event.dy;
// var bb=target.node().getBBox();
// // translate the element
// var translateXAmount=(x * 100)/bb.width;
// var translateYAmount=(y * 100)/bb.height;
// var transformOriginX=parseFloat(/transform-origin:\s+(\W?\d+\.?\d*)%\s+\W?\d+\.?\d*%/.exec(target.attr("style"))[1]);
// var transformOriginY=parseFloat(/transform-origin:\s+\W?\d+\.?\d*%\s+(\W?\d+\.?\d*)%/.exec(target.attr("style"))[1]);
// console.log(transformOriginX,transformOriginY)
// console.log('transform-origin: '+ (transformOriginX + translateXAmount) +'% '+ (transformOriginY + translateYAmount )+'%')
var nT = target.attr("style").replace(/translate\(\W?\d+\.?\d*px,\s+\W?\d+\.?\d*px\)/,'translate(' + x + 'px, ' + y + 'px)')
// .replace(/transform-origin:\s+\W?\d+\.?\d*%\s+\W?\d+\.?\d*%/,'transform-origin: '+ (transformOriginX + translateXAmount) +'% '+ (transformOriginY + translateYAmount )+'%');
target.attr('x',x);
target.attr('y',y);
// update the posiion attributes1
target.attr('data-x', x);
target.attr('data-y', y);
}
d3.select('#content').call(contentDrag);
}
}
var imageEditGuiControls = new guiControls('imageEdit');
imageEditGuiControls.init(400, 200, 350, 30);