521 lines
17 KiB
HTML
521 lines
17 KiB
HTML
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<!DOCTYPE html>
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<html>
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<!-- ahhh -->
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<body>
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<canvas id="myCanvas" width="1920" height="1080" style="border:1px solid #d3d3d3;">
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Your browser does not support the HTML5 canvas tag.</canvas>
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<script>
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function rad(degrees) {
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var pi = Math.PI;
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return degrees * (pi / 180);
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}
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function colourToText(colour) {
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return "rgb(" + colour[0] + "," + colour[1] + "," + colour[2] + ")"
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}
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function LerpRGB(a, b, t) {
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if (t < 0) {
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t *= -1
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}
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var newColor = [0, 0, 0];
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newColor[0] = a[0] + (b[0] - a[0]) * t;
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newColor[1] = a[1] + (b[1] - a[1]) * t;
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newColor[2] = a[2] + (b[2] - a[2]) * t;
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return newColor;
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}
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function draw_shape(sides, radius, rotation, x, y, colour) {
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var rot = Math.round((sides - 2) * 180 / sides * 2)
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var piv = 360 / sides;
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var stt = 0.5 * Math.PI - rad(rot) + rad(rotation);
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var end = 0;
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for (let i = 1; i < sides + 1; i++) {
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end = stt + rad(rot);
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end, 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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stt = end + -(rad(rot - piv)) //+rad(30);
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}
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}
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function draw_shape_sub(sides, radius, rotation, x, y, colour) {
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var denominator = sides - 2
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//var rot = Math.round((sides - 2) * 180 / sides * 2)
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var rot = (Math.round((sides - 2) * 180 / sides * 2)) * (1 / denominator)
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var piv = 360 / sides;
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var l = 1
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var stt = 0.5 * Math.PI - rad(rot) * l + rad(rotation);
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var end = 0;
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for (let i = 1; i < sides + 1; i++) {
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end = (stt + rad(rot));
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end, 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - rad(rot) * l, end - rad(rot) * l, 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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stt = end + -(rad(rot - piv)) //+rad(30);
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}
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}
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function draw_shape_fill(sides, radius, rotation, x, y, colour) {
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var rot = Math.round((sides - 2) * 180 / sides * 2)
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var piv = 360 / sides;
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var stt = 0.5 * Math.PI - rad(rot) + rad(rotation);
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var end = 0;
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var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
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for (let i = 1; i < sides + 1; i++) {
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end = stt + rad(rot);
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - (stt - end) / 2, end + rad(n), 0);
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ctx.fillStyle = colour;
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ctx.fill();
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end - (end - stt) / 2 + rad(n), 0);
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ctx.fillStyle = colour;
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ctx.fill();
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stt = end + -(rad(rot - piv)) //+rad(30);
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}
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}
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function Draw_Shape_accident(sides, radius, rotation, x, y, colour) {
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var rot = Math.round((sides - 2) * 180 / sides * 2)
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var piv = 360 / sides;
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var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
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var end = 0;
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var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
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for (let i = 1; i < sides + 1; i++) {
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end = stt + rad(rot);
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - (stt - end + rad(rotation)) / 2, end + rad(n), 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i - rotation)) * radius, y + Math.sin(rad(90 + piv * i - rotation)) * radius, radius, stt, end - (end - stt - rad(rotation)) / 2 + rad(n), 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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stt = end + -(rad(rot - piv)) //+rad(30);
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}
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}
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function Draw_Spiral_Pattern(sides, radius, rotation, x, y, colour) {
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var rot = Math.round((sides - 2) * 180 / sides * 2)
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var piv = 360 / sides;
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var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
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var end = 0;
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var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
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for (let i = 1; i < sides + 1; i++) {
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end = stt + rad(rot);
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt + rad(rotation) - (stt - end) / 2, end + rad(rotation) + rad(n), 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i - rotation)) * radius, y + Math.sin(rad(90 + piv * i - rotation)) * radius, radius, stt - rad(rotation), end - (end - stt) / 2 + rad(n) - rad(rotation), 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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stt = end + -(rad(rot - piv)) //+rad(30);
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}
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}
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function Draw_Spiral(sides, radius, rotation, x, y, colour) {
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var rot = Math.round((sides - 2) * 180 / sides * 2)
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var piv = 360 / sides;
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var stt = 0.5 * Math.PI - rad(rot) + rad(rotation);
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var end = 0;
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var n = radius / ((radius / 10) * (radius / 10)) //pixel correction for mid leaf
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for (let i = 1; i < sides + 1; i++) {
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end = stt + rad(rot);
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt - (stt - end) / 2, end + rad(n), 0);
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ctx.strokeStyle = colour;
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ctx.stroke();
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/*
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ctx.beginPath();
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ctx.arc(x + Math.cos(rad(90 + piv * i + rotation)) * radius, y + Math.sin(rad(90 + piv * i + rotation)) * radius, radius, stt, end - (end - stt) / 2 + rad(n), 0);
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ctx.fillStyle = colour;
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ctx.fill();
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*/
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stt = end + -(rad(rot - piv)) //+rad(30);
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}
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}
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function render_clear() {
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ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
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ctx.fillStyle = "black";
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ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
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}
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function draw_triangle(ang, radius) {
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ctx.beginPath();
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ctx.moveTo(startx + Math.cos(rad(90 + 120 * 1 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 1 + ang)) * radius);
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ctx.lineTo(startx + Math.cos(rad(90 + 120 * 2 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 2 + ang)) * radius);
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ctx.lineTo(startx + Math.cos(rad(90 + 120 * 3 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 3 + ang)) * radius);
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ctx.lineTo(startx + Math.cos(rad(90 + 120 * 1 + ang)) * radius, starty + Math.sin(rad(90 + 120 * 1 + ang)) * radius);
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ctx.strokeStyle = "red";
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ctx.stroke();
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}
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var c = document.getElementById("myCanvas");
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var ctx = c.getContext("2d");
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var sides_org = 3;
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var r = 300;
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var deg_per_sec = 30;
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var time = 120;
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var fps = 60;
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var rot_org = Math.round((sides_org - 2) * 180 / sides_org * 2)
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var piv = 360 / sides_org;
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var angle = 0;
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startx = 1920 / 2//1875/2;
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starty = 1080 / 2//950/2;//-(Math.tan(30*Math.PI/180)*width/2);
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j = 0;
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i = 0;
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n_angle = 0
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i_angle = 0
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tmp_a = angle
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//var capturer = new CCapture( { format: 'webm' } );
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/*
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var capturer = new CCapture( {
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format: 'webm',
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framerate: 60,
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verbose: true
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} );
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*/
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//capturer.start();
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/*
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function animate() {
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requestAnimationFrame( animate );
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test();
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}
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*/
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delMe = 0
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function render() {
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if (i < time / (1 / fps)) {
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setTimeout(() => {
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render();
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//requestAnimationFrame(test);
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angle = j;
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render_clear();
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r = 400
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tmpA = (Math.asin(Math.cos(rad(angle)))) / (2 * Math.PI) + .75
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tmpB = Math.cos(rad(angle)) / 4 + 0.75
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tmpC = Math.cos(angle * (3 * Math.PI / 180)) / 4 + 0.75
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tmpD = (Math.sin(30 * Math.PI / 180)) / Math.sin((150 - (angle - 120 * Math.floor(angle / 120)) * Math.PI / 180))
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fl = angle - 120 * Math.floor(angle / 120)
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tmpE = 1 / (2 * Math.cos(Math.PI / 3 - (fl * Math.PI / 180)))
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//console.log(tmpE)
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//console.log("angle: " + angle + " tmpC: " +Math.round(tmpC * 1000) / 1000)
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/*
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console.log(Math.cos(0*(3*Math.PI/180))/4+0.75)
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console.log(Math.cos(30*(3*Math.PI/180))/4+0.75)
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console.log(Math.cos(60*(3*Math.PI/180))/4+0.75)
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console.log(Math.cos(180*(3*Math.PI/180))/4+0.75)
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*/
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s = 400
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speed_mult = 1
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tmpF = 1 / (2 * Math.sin(Math.PI / 180 * (150 - angle * speed_mult + 120 * Math.floor(angle * speed_mult / 120))))
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tmpAng = n_angle
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fl1 = (n_angle - 2 * Math.PI / 3 * (Math.floor(3 * n_angle / (2 * Math.PI))))
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t1 = Math.abs(Math.sin(Math.PI / 3 - fl1) / (2 * (Math.cos(Math.PI / 3 - fl1)) ** 2))
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n_angle += 1 / (t1 + 1)
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new_angle = -120 * tmpF + 120
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tmpG = 1 / (2 * Math.sin(Math.PI / 180 * (150 - angle * speed_mult + 120 * Math.floor(angle * speed_mult / 120))))
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//console.log("angle: " + t1 + " | fl1 : "+ fl1)
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angle_accident = 120 * Math.floor(angle * speed_mult / 120)
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out_angle = 0
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i_angle += angle - tmp_a
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tmp_a = angle
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if (i_angle > 120) {
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i_angle -= 120
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}
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if (i_angle < 60) {
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out_angle = 120 / (2 * Math.cos(rad(i_angle))) - 60
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}
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else {
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out_angle = -120 / (2 * Math.cos(2 * Math.PI / 3 - (i_angle * Math.PI / 180))) + 180
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}
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//console.log("angle: " + i_angle + " | out A: " + out_angle)
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tmpFinal = 1 / (2 * Math.sin(Math.PI / 180 * (150 - out_angle * speed_mult + 120 * Math.floor(out_angle * speed_mult / 120))))
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//console.log(400*tmpFinal-delMe)
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delMe = 400 * tmpFinal
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//draw_triangle(180+0,s)
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//draw_triangle(180+angle*speed_mult,s*tmpF)
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//draw_triangle(180+out_angle*speed_mult,s*tmpFinal)
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//draw_triangle(180+new_angle*speed_mult,s*tmpG)
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for (let i = 0; i < 25; i++) {
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draw_triangle(180+out_angle*speed_mult*i,s*tmpFinal**i)
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//draw_triangle(180+angle*speed_mult*i,s*tmpF**i)
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}
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height = 400
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L = height / 2 * (Math.asin(Math.cos(angle * Math.PI / height)) / Math.PI) + height * 3 / 4
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L2 = -(.5 * angle - height * Math.floor(angle / (height * 2))) + height
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B = rad(180) - Math.asin(height * Math.sin(rad(30)) / L2)
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theFinalAngle = rad(150) - B
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console.log("L :" + L2 + " | B: " + B * 180 / Math.PI)
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//draw_triangle(180+ (theFinalAngle*180/Math.PI) ,L)
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//draw_triangle((angle-180)/2.8,tmpA*400)
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//draw_shape(7,300,0,startx,starty,"red");
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//draw_shape_sub(7,300,0,startx,starty,"blue");
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//draw_shape_fill(5,300,angle,startx,starty,"purple");
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/*
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draw_shape_fill(5,300,angle,startx,starty,"purple");
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draw_shape_fill(5,115,-(angle+108),startx,starty,"red");
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draw_shape_fill(5,44,angle+108,startx,starty,"yellow");
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draw_shape(5,300,angle,startx,starty,"red");
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draw_shape(5,115,-(angle+108),startx,starty,"yellow");
|
||
|
|
draw_shape(5,44,angle+108,startx,starty,"purple");
|
||
|
|
*/
|
||
|
|
//Draw_Spiral(4,400,0,startx,starty,'red');
|
||
|
|
//Draw_Spiral_Pattern(50, 250, angle, startx, starty, 'red')
|
||
|
|
//Draw_Shape_accident(4,300,angle,startx,starty,'red')
|
||
|
|
//Draw_Spiral(10,400,-angle,startx,starty,'red');
|
||
|
|
|
||
|
|
//draw_shape(99,300,angle,startx,starty,"red");
|
||
|
|
//draw_triangle(0);
|
||
|
|
|
||
|
|
//draw_tri(angle);
|
||
|
|
|
||
|
|
//draw_test_fill(angle);
|
||
|
|
|
||
|
|
//draw_shape(5,300,angle,startx,starty);
|
||
|
|
//draw_shape(3,300,-angle,startx,starty)
|
||
|
|
|
||
|
|
//draw_shape(7,400,angle,startx,starty)
|
||
|
|
//draw_shape(6,r,-angle,startx,starty)
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
colour1 = [137, 54, 255];
|
||
|
|
colour2 = [158, 255, 54];
|
||
|
|
ncolour = LerpRGB(colour1, colour2, Math.cos(rad(angle)));
|
||
|
|
*/
|
||
|
|
|
||
|
|
colour1 = [137, 54, 255];
|
||
|
|
colour2 = [158, 255, 54];
|
||
|
|
//Draw_nodal_expanding(2.5,100000,angle*2+33000,angle*0, colour1,colour2,0.5, 5)
|
||
|
|
//Draw_nodal_expanding(2.5,10000,angle,angle*0, colour1,colour2,0.5, 1)
|
||
|
|
//console.log(angle*2)
|
||
|
|
//draw_shape(55,300,angle,startx,starty,"pink")
|
||
|
|
//Draw_Phyllotaxis(angle/5000+1);
|
||
|
|
//draw_shape_fill(4,400,angle,startx,starty,colourToText(ncolour));
|
||
|
|
|
||
|
|
//Draw_rectangle_pattern1(angle, 180, "purple");
|
||
|
|
/*
|
||
|
|
for (let z = 0; z < 360; z+=360/45) {
|
||
|
|
Draw_rectangle_pattern1(z+angle,200,"blue");
|
||
|
|
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//capturer.capture( document.getElementById("myCanvas") );
|
||
|
|
|
||
|
|
}, (1000 / fps));
|
||
|
|
j += deg_per_sec * 1 / fps;
|
||
|
|
i += 1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
//capturer.stop();
|
||
|
|
//capturer.save();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
render()
|
||
|
|
//render_clear()
|
||
|
|
//Draw_nodal(500, 100,33)
|
||
|
|
//draw_shape_fill(5,300,angle,startx,starty,"purple");
|
||
|
|
//draw_shape_fill(5,115,angle+108,startx,starty,"red");
|
||
|
|
//draw_shape(5,300,angle,startx,starty);
|
||
|
|
//Draw_center();
|
||
|
|
|
||
|
|
|
||
|
|
function Draw_Phyllotaxis(angle) {
|
||
|
|
colour1 = [255, 170, 0];
|
||
|
|
colour2 = [255, 0, 221];
|
||
|
|
|
||
|
|
var c = 32;
|
||
|
|
|
||
|
|
for (let n = 50; n < 300; n += 1) {
|
||
|
|
ncolour = LerpRGB(colour1, colour2, Math.cos(rad(n / 2)));
|
||
|
|
var a = n * (angle)//137.5;
|
||
|
|
var r = c * Math.sqrt(n);
|
||
|
|
var x = r * Math.cos(a) + startx;
|
||
|
|
var y = r * Math.sin(a) + starty;
|
||
|
|
|
||
|
|
ctx.beginPath();
|
||
|
|
ctx.arc(x, y, 4, 0, 2 * Math.PI);
|
||
|
|
ctx.fillStyle = colourToText(ncolour);
|
||
|
|
ctx.fill();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function draw_test_fill(angle) {
|
||
|
|
|
||
|
|
ctx.beginPath();
|
||
|
|
ctx.arc(1000, 500, 300, 0, rad(angle));
|
||
|
|
ctx.fillStyle = "purple";
|
||
|
|
ctx.fill();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function Draw_nodal_expanding(expand, points, step, rotate, colour1, colour2, colour_change, line_width) {
|
||
|
|
var angle = 360 / points * step
|
||
|
|
|
||
|
|
var start_angle = angle;
|
||
|
|
var done = false;
|
||
|
|
var total_moves = 1;
|
||
|
|
var length = expand;
|
||
|
|
|
||
|
|
|
||
|
|
for (let z = 1; z <= 2500; z++) {
|
||
|
|
ctx.beginPath();
|
||
|
|
//ctx.moveTo(startx, starty);
|
||
|
|
ncolour = LerpRGB(colour1, colour2, Math.cos(rad(z * colour_change)));
|
||
|
|
|
||
|
|
ctx.moveTo(startx + (Math.cos(rad(angle * (z - 1) + rotate)) * (length - expand)), starty + (Math.sin(rad(angle * (z - 1) + rotate)) * (length - expand)));
|
||
|
|
ctx.lineTo(startx + (Math.cos(rad(angle * z + rotate)) * length), starty + (Math.sin(rad(angle * z + rotate)) * length));
|
||
|
|
length += expand;
|
||
|
|
ctx.lineWidth = line_width;//try 1
|
||
|
|
ctx.strokeStyle = colourToText(ncolour);
|
||
|
|
ctx.stroke();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function Draw_nodal(radius, points, step, rotate, colour) {
|
||
|
|
var angle = 360 / points * step
|
||
|
|
ctx.beginPath();
|
||
|
|
var start_angle = angle;
|
||
|
|
var done = false;
|
||
|
|
var total_moves = 1;
|
||
|
|
ctx.moveTo(startx + (Math.cos(rad(angle + rotate)) * radius), starty + (Math.sin(rad(angle + rotate)) * radius));
|
||
|
|
|
||
|
|
while (done != true) {
|
||
|
|
if ((total_moves * step) % points != 0) {
|
||
|
|
total_moves++
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
total_moves++
|
||
|
|
done = true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (let z = 1; z <= total_moves; z++) {
|
||
|
|
ctx.lineTo(startx + (Math.cos(rad(angle * z + rotate)) * radius), starty + (Math.sin(rad(angle * z + rotate)) * radius));
|
||
|
|
}
|
||
|
|
ctx.strokeStyle = colour;
|
||
|
|
ctx.stroke();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function Draw_rectangle_pattern1(angle, size, colour) {
|
||
|
|
ctx.save();
|
||
|
|
ctx.translate(startx, starty)//-(Math.sin(rad(angle)) *startx));
|
||
|
|
ctx.rotate(rad(angle + 180));
|
||
|
|
ctx.beginPath();
|
||
|
|
ctx.strokeStyle = colour;
|
||
|
|
ctx.rect(-size, -size, size, size);
|
||
|
|
ctx.stroke();
|
||
|
|
ctx.restore();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function draw_tri(angle) {
|
||
|
|
draw_shape(3, 520, angle, startx + 260, starty - 150);
|
||
|
|
draw_shape(3, 520, angle + 60, startx - 260, starty - 150);
|
||
|
|
draw_shape(3, 520, angle + 120, startx, starty + 300);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function Draw_center() {
|
||
|
|
ctx.beginPath();
|
||
|
|
ctx.moveTo(startx - 100, starty);
|
||
|
|
ctx.lineTo(startx + 100, starty);
|
||
|
|
ctx.moveTo(startx, starty - 100);
|
||
|
|
ctx.lineTo(startx, starty + 100);
|
||
|
|
ctx.strokeStyle = "red";
|
||
|
|
ctx.stroke();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|