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uni-web-site/old/current_site/src/pages/svg_playground/image.js
2026-03-27 14:30:00 +10:00

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// создаем изображение смайлик
// рисуем его относительно точки (0, 0)
function drawSmile(svg) {
let smile = svg.append("g")
.style("stroke", "brown")
.style("stroke-width", 0)
.style("fill", "brown");
for (let t = 0; t <= Math.PI * 6; t += .8) {
let cords = {
x: 50 / 3 * (1 - (t / (Math.PI * 6))) * -Math.sin(t),
y: 50 / 3 * (1 - (t / (Math.PI * 6))) * Math.cos(t)
}
smile.append("circle")
.attr("cx", cords["x"])
.attr("cy", cords["y"])
.attr("r", (1 - (t / (Math.PI * 6))))
.style("fill", "red");
}
for (let t = .4; t <= Math.PI * 6; t += .8) {
let cords = {
x: 50 / 3 * (1 - (t / (Math.PI * 6))) * -Math.sin(t),
y: 50 / 3 * (1 - (t / (Math.PI * 6))) *Math.cos(t)
}
smile.append("circle")
.attr("cx", cords["x"])
.attr("cy", cords["y"])
.attr("r", (1 - (t / (Math.PI * 6))))
.style("fill", "green");
}
return smile
}