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authorhanemile <hanemile@protonmail.com>2018-12-24 22:47:07 +0100
committerhanemile <hanemile@protonmail.com>2018-12-24 22:47:07 +0100
commit4fb83ecfe52b28296d3ba7ca69b7ab2366a87e6c (patch)
tree87603a57eb576a3f5e1af8d7e441c10e84fc84b8 /webgl/index.html
parent7fac054f8209467ae1bbfae7b470fa53e92f7d3e (diff)
overall push
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+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="https://d3js.org/d3.v4.min.js"></script>
+<script src="https://unpkg.com/d3-3d/build/d3-3d.min.js"></script>
+<body>
+<svg width="960" height="500"></svg>
+<style type="text/css">
+    button {
+        position: absolute;
+        right: 10px;
+        top: 10px;
+    }
+</style>
+<button>update</button>
+<script>
+    var origin = [480, 300], j = 10, scale = 20, scatter = [], yLine = [], xGrid = [], beta = 0, alpha = 0, key = function(d){ return d.id; }, startAngle = Math.PI/4;
+    var svg    = d3.select('svg').call(d3.drag().on('drag', dragged).on('start', dragStart).on('end', dragEnd)).append('g');
+    var color  = d3.scaleOrdinal(d3.schemeCategory20);
+    var mx, my, mouseX, mouseY;
+
+    var grid3d = d3._3d()
+        .shape('GRID', 20)
+        .origin(origin)
+        .rotateY( startAngle)
+        .rotateX(-startAngle)
+        .scale(scale);
+
+    var point3d = d3._3d()
+        .x(function(d){ return d.x; })
+        .y(function(d){ return d.y; })
+        .z(function(d){ return d.z; })
+        .origin(origin)
+        .rotateY( startAngle)
+        .rotateX(-startAngle)
+        .scale(scale);
+
+    var yScale3d = d3._3d()
+        .shape('LINE_STRIP')
+        .origin(origin)
+        .rotateY( startAngle)
+        .rotateX(-startAngle)
+        .scale(scale);
+
+    function processData(data, tt){
+
+        /* ----------- GRID ----------- */
+
+        var xGrid = svg.selectAll('path.grid').data(data[0], key);
+
+        xGrid
+            .enter()
+            .append('path')
+            .attr('class', '_3d grid')
+            .merge(xGrid)
+            .attr('stroke', 'black')
+            .attr('stroke-width', 0.3)
+            .attr('fill', function(d){ return d.ccw ? 'lightgrey' : '#717171'; })
+            .attr('fill-opacity', 0.9)
+            .attr('d', grid3d.draw);
+
+        xGrid.exit().remove();
+
+        /* ----------- POINTS ----------- */
+
+        var points = svg.selectAll('circle').data(data[1], key);
+
+        points
+            .enter()
+            .append('circle')
+            .attr('class', '_3d')
+            .attr('opacity', 0)
+            .attr('cx', posPointX)
+            .attr('cy', posPointY)
+            .merge(points)
+            .transition().duration(tt)
+            .attr('r', 3)
+            .attr('stroke', function(d){ return d3.color(color(d.id)).darker(3); })
+            .attr('fill', function(d){ return color(d.id); })
+            .attr('opacity', 1)
+            .attr('cx', posPointX)
+            .attr('cy', posPointY);
+
+        points.exit().remove();
+
+        /* ----------- y-Scale ----------- */
+
+        var yScale = svg.selectAll('path.yScale').data(data[2]);
+
+        yScale
+            .enter()
+            .append('path')
+            .attr('class', '_3d yScale')
+            .merge(yScale)
+            .attr('stroke', 'black')
+            .attr('stroke-width', .5)
+            .attr('d', yScale3d.draw);
+
+        yScale.exit().remove();
+
+        /* ----------- y-Scale Text ----------- */
+
+        var yText = svg.selectAll('text.yText').data(data[2][0]);
+
+        yText
+            .enter()
+            .append('text')
+            .attr('class', '_3d yText')
+            .attr('dx', '.3em')
+            .merge(yText)
+            .each(function(d){
+                d.centroid = {x: d.rotated.x, y: d.rotated.y, z: d.rotated.z};
+            })
+            .attr('x', function(d){ return d.projected.x; })
+            .attr('y', function(d){ return d.projected.y; })
+            .text(function(d){ return d[1] <= 0 ? d[1] : ''; });
+
+        yText.exit().remove();
+
+        d3.selectAll('._3d').sort(d3._3d().sort);
+    }
+
+    function posPointX(d){
+        return d.projected.x;
+    }
+
+    function posPointY(d){
+        return d.projected.y;
+    }
+
+    function init(){
+        var count = 0;
+        xGrid = [], scatter = [], yLine = [];
+        for(var z = -j; z < j; z++){
+            for(var x = -j; x < j; x++){
+                xGrid.push([x, 1, z]);
+                scatter.push({x: x, y: d3.randomUniform(0, -10)(), z: z, id: 'point_' + count++});
+            }
+        }
+
+        d3.range(-1, 11, 1).forEach(function(d){ yLine.push([-j, -d, -j]); });
+
+        var data = [
+            grid3d(xGrid),
+            point3d(scatter),
+            yScale3d([yLine])
+        ];
+        processData(data, 1000);
+    }
+
+    function dragStart(){
+        mx = d3.event.x;
+        my = d3.event.y;
+    }
+
+    function dragged(){
+        mouseX = mouseX || 0;
+        mouseY = mouseY || 0;
+        beta   = (d3.event.x - mx + mouseX) * Math.PI / 230 ;
+        alpha  = (d3.event.y - my + mouseY) * Math.PI / 230  * (-1);
+        var data = [
+            grid3d.rotateY(beta + startAngle).rotateX(alpha - startAngle)(xGrid),
+            point3d.rotateY(beta + startAngle).rotateX(alpha - startAngle)(scatter),
+            yScale3d.rotateY(beta + startAngle).rotateX(alpha - startAngle)([yLine]),
+        ];
+        processData(data, 0);
+    }
+
+    function dragEnd(){
+        mouseX = d3.event.x - mx + mouseX;
+        mouseY = d3.event.y - my + mouseY;
+    }
+
+    d3.selectAll('button').on('click', init);
+
+    init();
+</script>
+</body>