快樂鳥與邪惡刺（完整版） | JavaScript 程式專案

{"id":10340,"student_id":13,"content":"// Lesson 1\nsetBackdrop(\"bg.jpg\");\n\nvar topSpike = createSprite(\"topSpike.png\");\ntopSpike.y = 35;\nvar downSpike = createSprite(\"downSpike.png\");\ndownSpike.y = 445;\nvar bird = createSprite(\"bird.png\");\nbird.moveTo(320, 240);\nbird.rotationStyle = \"flipped\";\n// End of Lesson 1\n\n// Lesson 3\nvar vy = -6;\n// Lesson 4\nvar score = 0;\n\n// Lesson 2\nvar firstSpikeY = 80;\nvar leftSpikes = [];\nvar rightSpikes = [];\n\nfor (var i = 0; i \u003c 5; i++) {\n    var rightSpike = createSprite({\n        x: 455,\n        y: firstSpikeY + i * 65,\n        hidden: true,\n        costumes: \"rightSpike.png\"\n    });\n    rightSpikes.push(rightSpike);\n\n    var leftSpike = createSprite({\n        x: 185,\n        y: firstSpikeY + i * 65,\n        hidden: true,\n        costumes: \"leftSpike.png\"\n    });\n    leftSpikes.push(leftSpike);\n}\n// End of Lesson 2\n\n// Lesson 3\nwhen(\"click\", function () {\n    vy = -6;\n});\n// End of Lesson 3\n\nforever(function () {\n    // Lesson 3\n    bird.stepForward(3);\n    bird.y += vy;\n    vy += 0.3;\n    // End of Lesson 3\n    // Lesson 4\n    if (bird.x \u003e 440) {\n        bird.direction += 180;\n        score++;\n        showLeftSpikes(); // Lesson 5 再加入\n    }\n    if (bird.x \u003c 200) {\n        bird.direction += 180;\n        score++;\n        showRightSpikes(); // Lesson 5 再加入\n    }\n    if (score \u003c 10) {\n        print(score, 300, 205, \"#deebef\", 60);\n    } else {\n        print(score, 285, 205, \"#deebef\", 60);\n    }\n    // End of Lesson 4\n    // Lesson 6\n    if (bird.touched(topSpike) || bird.touched(downSpike) ||\n        bird.touched(rightSpikes) || bird.touched(leftSpikes)) {\n        stop();\n    }\n    // End of Lesson 6\n});\n\n// Lesson 5\nfunction showLeftSpikes() {\n    for (var i = 0; i \u003c 4; i++) {\n        var showSpikeIndex = Math.floor(Math.random() * 5);\n        leftSpikes[showSpikeIndex].hidden = false;\n    }\n    for (var i = 0; i \u003c 5; i++) {\n        rightSpikes[i].hidden = true;\n    }\n}\n\nfunction showRightSpikes() {\n    for (var i = 0; i \u003c 4; i++) {\n        var showSpikeIndex = Math.floor(Math.random() * 5);\n        rightSpikes[showSpikeIndex].hidden = false;\n    }\n    for (var i = 0; i \u003c 5; i++) {\n        leftSpikes[i].hidden = true;\n    }\n}\n// End of Lesson 5\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-09-30T21:06:47.971+08:00","name":"快樂鳥與邪惡刺（完整版）","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/10340/9015858c09f39151571875233509bfc9.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":225,"hashid":"ej9s29qk","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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