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@ -343,3 +343,136 @@ export function format_money(s, n = 2) { |
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} |
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return new_format_money |
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} |
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export function show_beautpic(father, canvas, nb = 666) { |
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let ctx = canvas.getContext('2d'); |
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canvas.width = window.innerWidth; |
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canvas.height = window.innerHeight; |
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ctx.lineWidth = .3; |
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ctx.strokeStyle = (new Color(150)).style; |
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father.mousePosition = { |
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x: 30 * canvas.width / 100, |
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y: 30 * canvas.height / 100 |
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}; |
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let dots = { |
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nb: nb, |
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distance: 100, |
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d_radius: 150, |
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array: [] |
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}; |
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function colorValue(min) { |
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return Math.floor(Math.random() * 255 + min); |
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} |
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function createColorStyle(r, g, b) { |
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return 'rgba(' + r + ',' + g + ',' + b + ', 0.8)'; |
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} |
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function mixComponents(comp1, weight1, comp2, weight2) { |
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return (comp1 * weight1 + comp2 * weight2) / (weight1 + weight2); |
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} |
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function averageColorStyles(dot1, dot2) { |
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let color1 = dot1.color, |
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color2 = dot2.color; |
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let r = mixComponents(color1.r, dot1.radius, color2.r, dot2.radius), |
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g = mixComponents(color1.g, dot1.radius, color2.g, dot2.radius), |
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b = mixComponents(color1.b, dot1.radius, color2.b, dot2.radius); |
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return createColorStyle(Math.floor(r), Math.floor(g), Math.floor(b)); |
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} |
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function Color(min) { |
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min = min || 0; |
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this.r = colorValue(min); |
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this.g = colorValue(min); |
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this.b = colorValue(min); |
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this.style = createColorStyle(this.r, this.g, this.b); |
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} |
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function Dot() { |
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this.x = Math.random() * canvas.width; |
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this.y = Math.random() * canvas.height; |
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this.vx = -.5 + Math.random(); |
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this.vy = -.5 + Math.random(); |
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this.radius = Math.random() * 2; |
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this.color = new Color(); |
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} |
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Dot.prototype = { |
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draw: function () { |
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ctx.beginPath(); |
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ctx.fillStyle = this.color.style; |
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ctx.arc(this.x, this.y, this.radius, 0, Math.PI * 2, false); |
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ctx.fill(); |
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} |
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}; |
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function createDots() { |
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for (let i = 0; i < dots.nb; i++) { |
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dots.array.push(new Dot()); |
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} |
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} |
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function moveDots() { |
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for (let i = 0; i < dots.nb; i++) { |
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let dot = dots.array[i]; |
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if (dot.y < 0 || dot.y > canvas.height) { |
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// dot.vx = dot.vx;
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dot.vy = -dot.vy; |
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} else if (dot.x < 0 || dot.x > canvas.width) { |
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dot.vx = -dot.vx; |
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// dot.vy = dot.vy;
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} |
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dot.x += dot.vx; |
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dot.y += dot.vy; |
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} |
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} |
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function connectDots() { |
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for (let i = 0; i < dots.nb * 0.3; i++) { |
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for (let j = 0; j < dots.nb * 0.3; j++) { |
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let i_dot = dots.array[i]; |
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let j_dot = dots.array[j]; |
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if ((i_dot.x - j_dot.x) < dots.distance && (i_dot.y - j_dot.y) < dots.distance && (i_dot.x - j_dot.x) > -dots.distance && (i_dot.y - j_dot.y) > -dots.distance) { |
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if ((i_dot.x - father.mousePosition.x) < dots.d_radius && (i_dot.y - father.mousePosition.y) < dots.d_radius && (i_dot.x - father.mousePosition.x) > -dots.d_radius && (i_dot.y - father.mousePosition.y) > -dots.d_radius) { |
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ctx.beginPath(); |
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ctx.strokeStyle = averageColorStyles(i_dot, j_dot); |
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ctx.moveTo(i_dot.x, i_dot.y); |
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ctx.lineTo(j_dot.x, j_dot.y); |
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ctx.stroke(); |
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ctx.closePath(); |
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} |
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} |
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} |
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} |
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} |
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function drawDots() { |
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for (let i = 0; i < dots.nb; i++) { |
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let dot = dots.array[i]; |
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dot.draw(); |
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} |
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} |
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function animateDots() { |
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ctx.clearRect(0, 0, canvas.width, canvas.height); |
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moveDots(); |
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connectDots(); |
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drawDots(); |
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requestAnimationFrame(animateDots); |
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} |
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createDots(); |
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requestAnimationFrame(animateDots); |
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} |
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youngS
4 years ago