太空人探險- More to explore 副本 | JavaScript 程式專案

{"id":169747,"student_id":12205,"content":"setBackdrop(\"black\");\r\nvar obstacle = createSprite([\"level_1.png\", \"level_2.png\", \"level_3.png\", \"level4.png\", \"level_5.png\", \"level_6.png\", \"level_7.png\", \"level_8.png\", \"level_9.png\"]);\r\nvar target = createSprite(\"target.png\");\r\n\r\nvar astronaut = createSprite(\"astronaut.png\");\r\nastronaut.moveTo(40, 40);\r\nvar flames = [];\r\nvar vx = 0;\r\nvar vy = 0;\r\n\r\nforever(function () {\r\n    target.direction += 2;\r\n\r\n    print('Level' + level, 10, 10, 'red', 20);\r\n\r\n    if (key.up || key.left || key.right) {\r\n        var flame = createSprite(\"flame.png\");\r\n        flame.moveTo(astronaut);\r\n        flame.direction = astronaut.direction + 90;\r\n        flame.stepForward(30);\r\n        flame.direction += Math.random() * 60 - 30;\r\n        flame.life = Math.random() * 60;\r\n        flames.push(flame);\r\n    }\r\n\r\n    for (var i = 0; i \u003c flames.length; i++) {\r\n        var f = flames[i];\r\n        f.stepForward(2.5);\r\n        f.life--;\r\n        if (f.life \u003e 0) {\r\n            f.scale = f.life / 60;\r\n            f.opacity = f.life / 60;\r\n        } else {\r\n            f.destroy();\r\n            flames.splice(i, 1);\r\n        }\r\n    }\r\n\r\n    vy += 0.03;\r\n\r\n    if (key.up) {\r\n        vy -= 0.08;\r\n    }\r\n    if (key.left) {\r\n        vx -= 0.05;\r\n    }\r\n    if (key.right) {\r\n        vx += 0.05;\r\n    }\r\n\r\n    astronaut.direction = 90 + vx * 10;\r\n    astronaut.move(vx, vy);\r\n\r\n    if (astronaut.touched(obstacle) || astronaut.x \u003c 0 || astronaut.x \u003e 640 || astronaut.y \u003c 0 || astronaut.y \u003e 480) {\r\n        print('GAME OVER!', 100, 100, 'red', 70);\r\n        stop();\r\n    }\r\n\r\n    if (astronaut.touched(target)) {\r\n        nextLevel();\r\n    }\r\n\r\n});\r\n\r\nvar levels = [\r\n    { x: 500, y: 400 },\r\n    { x: 500, y: 100 },\r\n    { x: 100, y: 450 },\r\n    { x: 50, y: 75 },\r\n    { x: 500, y: 100 },\r\n    { x: 550, y: 400 },\r\n    { x: 550, y: 50 },\r\n    { x: 375, y: 100 },\r\n    { x: 575, y: 365 }\r\n];\r\nvar level = 8;\r\n\r\nfunction nextLevel() {\r\n    if (level == 9) {\r\n        print('YOU WIN!',150,100,'gold',70);\r\n        stop();\r\n    }\r\n\r\n    target.moveTo(levels[level]);\r\n    obstacle.costumeId = level;\r\n    level++;\r\n}\r\nnextLevel();\r\n\r\nsetBackdrop(\"black\");\r\n\r\nvar lights = [];\r\nfor(var i = 0;i\u003c15;i++) {\r\n    var light = {\r\n        x:cursor.x,\r\n        y:cursor.y,\r\n        color:\"rgb(\"+Math.floor(Math.random()*255)+\",\"+Math.floor(Math.random()*255)+\",\"+Math.floor(Math.random()*255)+\")\",\r\n        vx:Math.random() *8 - 4,\r\n        vy:Math.random() *8 - 4,\r\n        r:Math.random() * 6\r\n    };\r\n    lights.push(light);\r\n};\r\n\r\nforever(function(){\r\n    for(var i=0;i\u003clights.length;i++) {\r\n        var light = lights[i];\r\n        light.x +=light.vx;\r\n        light.y +=light.vy;\r\n        light.vy +=0.1\r\n        light.r *=0.99\r\n        pen.size = 0;\r\n        pen.fillColor = light.color;\r\n        if(light.r\u003e1) {\r\n            pen.drawCircle(light.x,light.y,light.r);\r\n        };\r\n    }\r\n    for(var i = 0;i\u003c15;i++) {\r\n        var light = {\r\n            x:cursor.x,\r\n            y:cursor.y,\r\n            color:\"rgb(\"+Math.floor(Math.random()*255)+\",\"+Math.floor(Math.random()*255)+\",\"+Math.floor(Math.random()*255)+\")\",\r\n            vx:Math.random() *8 - 4,\r\n            vy:Math.random() *8 - 4,\r\n            r:Math.random() * 6\r\n        };\r\n        lights.push(light);\r\n    };\r\n    \r\n});","created_at":"2020-07-23T15:11:12.559+08:00","updated_at":"2020-11-28T15:13:57.886+08:00","name":"太空人探險- More to explore 副本","language":"javascript","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/169747/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":16062,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":52,"hashid":"gk4sejz8","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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