蛇蛇大戰 (2~4人) | JavaScript Programming Project

{"id":13314,"student_id":10,"content":"var redjoin = true;\nvar bluejoin = true;\nvar greenjoin = true;\nvar goldjoin = true;\n\nforever(function(){\n    if (status == 0) {\n        print(redjoin ? 'on' : 'off', 30, 30, 'red', 30);\n        print(bluejoin ? 'on' : 'off', 500, 30, 'blue', 30);\n        print(greenjoin ? 'on' : 'off', 30, 370, 'green', 30);\n        print(goldjoin ? 'on' : 'off', 500, 370, 'gold', 30);\n\n        print('按鍵 a/q', 30, 60, 'red', 20);\n        print('按鍵 o/l', 500, 60, 'blue', 20);\n        print('按鍵 x/z', 30, 400, 'green', 20);\n        print('按鍵 right/left', 500, 400, 'gold', 20);\n\n        print('Start', 260, 220, 'black', 45);\n    }\n});\n\nwhen('mouseup', function () {\n    var x = cursor.x - 320;\n    var y = cursor.y - 240;\n    if ((x*x + y*y) \u003c 5000) return startGame();\n    if (cursor.x \u003c 320 \u0026\u0026 cursor.y \u003c 240) redjoin = !redjoin;\n    if (cursor.x \u003e 320 \u0026\u0026 cursor.y \u003c 240) bluejoin = !bluejoin;\n    if (cursor.x \u003e 320 \u0026\u0026 cursor.y \u003e 240) goldjoin = !goldjoin;\n    if (cursor.x \u003c 320 \u0026\u0026 cursor.y \u003e 240) greenjoin = !greenjoin;\n});\n\nvar players = [];\nvar walls = [];\nvar clock = 0;\nvar startTime;\nvar status = 0;\n\nfunction startGame () {\n    status = 1;\n    if (redjoin) {\n        var red = createPlayer('red.png');\n        red.x = 20;\n        red.y = 20;\n        red.direction = 135;\n        when('holding', 'a', function () { \n            red.direction += 3;\n        });\n        when('holding', 'q', function () {\n            red.direction -= 3;\n        });\n    }\n\n    if (bluejoin) {\n        var blue = createPlayer('blue.png');\n        blue.x = 640 - 20;\n        blue.y = 30;\n        blue.direction = 225;\n        when('holding', 'o', function () { \n            blue.direction += 3;\n        });\n        when('holding', 'l', function () {\n            blue.direction -= 3;\n        });\n    }\n\n    if (greenjoin) {\n        var green = createPlayer('green.png');\n        green.x = 30;\n        green.y = 480 - 20;\n        green.direction = 45;\n        when('holding', 'x', function () { \n            green.direction += 3;\n        });\n        when('holding', 'z', function () {\n            green.direction -= 3;\n        });\n    }\n\n    if (goldjoin) {\n        var gold = createPlayer('gold.png');\n        gold.x = 640 - 20;\n        gold.y = 480 - 20;\n        gold.direction = 315;\n        when('holding', 'right', function () { \n            gold.direction += 3;\n        });\n        when('holding', 'left', function () {\n            gold.direction -= 3;\n        });\n    }\n\n    startTime = Date.now();\n\n}\n\nforever(function(){\n\n    clock++;\n\n    for (var i=0; i\u003cplayers.length; i++) {\n\n        if (players[i]._deleted) continue;\n\n        var p = players[i];\n\n        p.stepForward(1.3);\n\n        if (p.x \u003c 0) p.x += 640;\n        if (p.y \u003c 0) p.y += 480;\n        if (p.x \u003e 640) p.x -= 640;\n        if (p.y \u003e 480) p.y -= 480;\n        \n        if (clock%120 \u003c 80 \u0026\u0026 clock%2 == 0) {\n            var body = createSprite(p.costumes[0]);\n            body.moveTo(p);\n            body.name = p.name;\n            walls.unshift(body);\n            body.opacity = 1;\n            \n        }\n        if (clock%120 \u003e 80 \u0026\u0026 clock%10 == 0) {\n            var round = Math.floor(clock/120);\n            var body = createSprite(p.costumes[0]);\n            zz++\n            body.id = round*4 + i;\n            body.moveTo(p);\n            body.name = p.name;\n            walls.unshift(body);\n            body.opacity = 0;\n        }\n\n        for (var c=0; c\u003cwalls.length; c++) {\n            var index = walls.indexOf(walls[c]);\n            if (index \u003c 10*players.length \u0026\u0026 walls[c].name == p.name) continue;\n            \n            if (p.touched(walls[c])) {\n                if (walls[c].opacity == 0) {\n                    if (p.name != walls[c].name \u0026\u0026 p.crossId.indexOf(walls[c].id) == -1) {\n                        p.crossId.push(walls[c].id);\n                    }\n                } else {\n                    p.killBy = walls[c].name;\n                    p.time = Date.now() - startTime;\n                    p.destroy();\n                }\n            }\n        }\n    }\n});\n\nfunction createPlayer (img) {\n    var player = createSprite(img);\n    player.crossId = [];\n    player.points = 0;\n    player.name = img.slice(0, -4);\n    players.push(player);\n    return player;\n}\n\nforever(function(){\n    if (players.length == 0) return;\n    for (var i=0; i\u003cplayers.length; i++) {\n        if (players[i]._deleted == false) return;\n    }\n\n    stop();\n\n    for (var i=0; i\u003cplayers.length; i++) {\n        var p = players[i];\n        p.points = Math.floor(p.time/10) + p.crossId.length*200;\n    }\n\n    players.sort(function (a, b) { return b.points - a.points; });\n\n    var result = '';\n    for (var i=0; i\u003cplayers.length; i++) {\n        var p = players[i];\n        result += '#' + (i + 1) + '  ' + p.name + \"玩家 得分：\" + p.points + \"\\n存活時間(s)：\" + p.time/1000 + \"\\n穿越個數：\" + p.crossId.length + \"\\n被 \" + p.killBy + \"擊殺\\n\\n\";\n    }\n    alert(result);\n    \n});\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-01T12:48:34.999+08:00","name":"蛇蛇大戰 (2~4人)","language":"javascript","screenshot":{"url":"/uploads/project/screenshot/13314/c9b66f9f859573831b64a764e49cc0b1.jpg"},"parent_id":2,"plugin":"","description":"存活時間越久、穿越個數越多分數越高","note":null,"status":"public","like_student_ids":[1936,7],"is_featured":true,"views":1536,"hashid":"kdms63yz","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}