breakout | JavaScript 程式專案

{"id":13419,"student_id":10,"content":"var score = 0;\nvar lives = 3;\nvar stageblocks = 0;\n\nvar player = createSprite(\"player.png\");\nplayer.y = 450 + player.height/2;\n\nvar collider = [player];\n\nvar ball = createSprite(\"ball.png\");\nball.direction = 135;\n\nsetBackdrop(\"#333333\");\n\nfunction newBlocks(){\n    for(var j = 0; j \u003c 6; j++){\n        for(var i = 0; i \u003c 10; i++){\n            var block = createSprite([\"block0.png\", \"block1.png\", \"block2.png\", \"block3.png\", \"block4.png\", \"block5.png\"]);\n            block.costumeId = Math.floor(Math.random()*6);\n            block.x = i*64+32;\n            block.y = j*32+16;\n            collider.push(block);\n            stageblocks++;\n        }\n    }\n}\n\nforever(function(){\n\n    player.x = cursor.x;\n\n    ball.stepForward(4);\n    \n    if(lives \u003c= 0){\n        stop();\n    }\n    if(ball.y \u003e= 480){\n        lives--;\n        ball.y = 300;\n    }else{\n        ball.bounceEdge();\n    }\n    if(stageblocks \u003c= 0){\n        newBlocks();\n    }\n    print(\"Score: \"+score, 20, 20, \"white\");\n    print(\"Lives: \"+lives, 20, 40, \"white\");\n});\n\nball.when('touch', collider, function (block) {\n    ball.direction = -ball.direction + 180;\n    if (block != player) {\n        score++;\n        block.destroy();\n        stageblocks--;\n    } else {\n        ball.y = (player.y - player.height/2) - ball.height/2;\n    }\n});","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-08T00:49:09.162+08:00","name":"breakout ","language":"javascript","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/13419/89edcce60b8890776f43b51e69f48ea4.jpg"},"parent_id":9310,"plugin":"","description":"","note":null,"status":"public","like_student_ids":[1934,1910,1937],"is_featured":false,"views":617,"hashid":"2pds9ww2","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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