snowball | JavaScript 程式專案

{"id":229088,"student_id":10,"content":"Game.set({width: 1200, height: 900})\n\nvar bg1 = createSprite(\"bg_3.png\");\nvar bg2 = createSprite(\"bg_2.png\");\nvar bg3 = createSprite(\"bg_1.png\");\nvar tree = createSprite(\"tree.png\");\nvar ground = createSprite(\"ground.png\");\nvar koding = createSprite(\"koding.png\");\nvar ball = createSprite(\"ball.png\");\nvar jumper = createSprite(\"jumer.png\");\nvar tree2 = createSprite(\"tree.png\"); //示範如何新增樹，之後都列在挑戰\nvar tree3 = createSprite(\"tree.png\"); //示範如何新增樹，之後都列在挑戰\nvar hint = createSprite(\"jumer.png\");\n\nhint.opacity = 0.3;\n\nvar vy = 0;\nvar speed = 5;\nvar score = 0;\n\nkoding.scale = 0.5;\n\nkoding.rotationStyle = 'fixed';\njumper.rotationStyle = 'fixed';\ntree.rotationStyle = 'fixed';\n\nball.stepForward(-300);\nkoding.stepForward(300);\n\nfunction gameloop () {\n    \n    score += speed / 100;\n    print('score is: ' + Math.floor(score) + 'm', 10, 10, 'black', 30);\n    \n    ground.direction = 90 + speed / 5;\n    koding.direction = 90 + speed / 5;\n    jumper.direction = 90 + speed / 5;\n    tree.direction = 90 + speed / 5;\n    tree2.direction = 90 + speed / 5;\n    tree3.direction = 90 + speed / 5;\n\n    koding.stepForward(-speed);\n    jumper.stepForward(-speed);\n    tree.stepForward(-speed);\n    tree2.stepForward(-speed);\n    tree3.stepForward(-speed);\n    \n    ball.direction += speed / 5;\n    ball.scale = speed / 10;\n    speed += 0.002;\n    \n    if (koding.x \u003c 0) {\n        var rand = Math.random() * 500 + 1200;\n        koding.stepForward(rand);\n    }\n    \n    if (tree.x \u003c 0) {\n        var rand = Math.random() * 500 + 1200;\n        tree.stepForward(rand);\n        tree.scale = Math.random() * 0.5 + 0.5;\n    }\n    \n    if (tree2.x \u003c 0) {\n        var rand = Math.random() * 500 + 1200;\n        tree2.stepForward(rand);\n        tree2.scale = Math.random() * 0.5 + 0.5;\n    }\n    \n    if (tree3.x \u003c 0) {\n        var rand = Math.random() * 500 + 1200;\n        tree3.stepForward(rand);\n        tree3.scale = Math.random() * 0.5 + 0.5;\n    }\n    \n    if (jumper.touched(ball)) vy = 10;\n    \n    if (!ball.touched(ground) || vy \u003e 0) {\n        ball.y -= vy;\n    }\n    vy -= 0.2;\n    \n    hint.x = cursor.x;\n    hint.y = cursor.y;\n    hint.hidden = jumper.x \u003e 0;\n    \n    updateBackground();\n}\n\nfunction setJumper () {\n    if (jumper.x \u003c 0 \u0026\u0026 ground.touched(hint)) {\n        jumper.x = cursor.x;\n        jumper.y = cursor.y;    \n    }\n}\n\nfunction updateBackground () {\n    bg1.x -= 0.1;\n    bg2.x -= 0.2;\n    bg3.x -= 0.3;\n    if (bg1.x \u003c 0) bg1.x += 1200;\n    if (bg2.x \u003c 0) bg2.x += 1200;\n    if (bg3.x \u003c 0) bg3.x += 1200;\n}\n\nforever(gameloop);\non('click', setJumper);","created_at":"2021-02-18T14:55:12.973+08:00","updated_at":"2021-03-18T15:41:42.170+08:00","name":"snowball","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/229088/29a71e31c62c5cdede24c9f77b5b4e3b.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":210,"hashid":"kdms68n3r","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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