彩色火花-L2 | JavaScript 程式專案

{"id":10753,"student_id":13,"content":"setBackdrop(\"black\");\n\nvar light = {\n    x: cursor.x,\n    y: cursor.y,\n    color: \"white\",\n    vx: 4,\n    vy: -4,\n    life: Math.random() * 6\n\n    // 先把 vx, vy 寫死，會往固定方向飛出成功後，再做隨機噴射的，code 如下\n    // color: 'rgb(' + Math.floor(Math.random() * 255) + ',' + Math.floor(Math.random() * 255) + ',' + Math.floor(Math.random() * 255) + ')',\n    // vx: Math.random() * 8 - 4,\n    // vy: Math.random() * 8 - 4,\n}\n\nforever(function () {\n    light.x += light.vx;\n    light.y += light.vy;\n    light.vy += 0.1;\n    light.life *= 0.99;\n\n    pen.size = 0;\n    pen.fillColor = light.color;\n    if(light.life \u003e 1){\n        pen.drawCircle(light.x, light.y, light.life);\n    }\n});\n\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-10-23T09:30:02.688+08:00","name":"彩色火花-L2","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/10753/999efb7c5172cf3d017936b76c4f3852.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":287,"hashid":"882sqnvq","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}