Don't touch the spike（完整版） | JavaScript 程式專案

{"id":9469,"student_id":13,"content":"setBackdrop(\"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\nvar vy = -6;\n\nvar spikeY;\nvar spikeNum;\n\nvar score = 0;\n\nvar firstSpikeY = 80;\nvar leftSpikes = [];\nvar rightSpikes = [];\n\nfor(var i = 0; i\u003c5; i++) {\n    var rightSpike = createSprite({\n        x: 455,\n        y: firstSpikeY+i*65,\n        hidden: true,\n        costumes: \"rightSpike.png\"\n    });\n    \n    rightSpikes.push(rightSpike);\n    var leftSpike = createSprite({\n        x: 185,\n        y: firstSpikeY+i*65,\n        hidden: true,\n        costumes: \"leftSpike.png\"\n    });\n    leftSpike.when(\"touch\",bird,function(){stop()});\n    leftSpikes.push(leftSpike);\n}\n\nwhen(\"click\", function() {\n    vy = -6;\n});\n\nforever(function() {\n    bird.stepForward(3);\n    bird.y += vy;\n    vy += 0.3;\n    if(bird.x \u003e 440) {\n        bird.direction += 180;\n        score ++;\n        showLeftSpikes();\n    }\n    if(bird.x \u003c 200) {\n        bird.direction += 180;\n        score ++;\n        showRightSpikes();\n    }\n    if(score \u003c 10) {\n        print(score,300,205,\"#deebef\",60);\n    }else{\n        print(score,285,205,\"#deebef\",60);\n    }\n    if(bird.touched(topSpike) || bird.touched(downSpike) || \n        bird.touched(rightSpikes) || bird.touched(leftSpikes)) {\n        stop();\n    }\n});\n\nfunction showLeftSpikes() {\n    for(var i=0;i\u003c4; i++) {\n        var showSpikeIndex = Math.floor(Math.random()*5);\n        leftSpikes[showSpikeIndex].hidden=false ;\n    }\n    for(var i=0; i\u003c5; i++){\n        rightSpikes[i].hidden = true;\n    }\n}\n\nfunction showRightSpikes() {\n    for(var i = 0;i\u003c4; i++) {\n        var showSpikeIndex = Math.floor(Math.random()*5);\n        rightSpikes[showSpikeIndex].hidden=false ;\n    }\n    for(var i=0; i\u003c5; i++){\n        leftSpikes[i].hidden = true;\n    }\n}\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-03T23:04:56.826+08:00","name":"Don't touch the spike（完整版）","language":"javascript","screenshot":{"url":null},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":334,"hashid":"npms3dq2","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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