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spacewar.htm
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spacewar.htm
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<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="content-security-policy" content="
base-uri 'self';
default-src 'none';
child-src blob:;
frame-src blob:;
connect-src https://api.stackexchange.com;
script-src 'self' 'unsafe-inline' blob:;
worker-src blob:;
style-src 'self';
img-src 'self';
form-action 'none';
">
<!-- these properties are read by the engine to configure the game -->
<title>Spacewar!</title>
<link rel="icon" href="favicons/spacewar.png">
<meta name="stack-exchange-site" content="codegolf">
<meta name="stack-exchange-qid" content="67560">
<meta name="team-view-columns" content='[]'>
<meta name="team-type" content="free_for_all">
<meta name="team-type-args" content='{}'>
<meta name="tournament-type" content="all_v_all">
<meta name="tournament-type-args" content='{
"teamLimit": 2
}'>
<meta name="match-type" content="brawl">
<meta name="match-type-args" content='{
"count": 20,
"teamShuffle": "roundRobin"
}'>
<meta name="game-type" content="spacewar">
<meta name="game-config" content='{
"width": 800,
"height": 600,
"sun": {"x": 400, "y": 300, "radius": 5, "G": 5000},
"startInsetX": 50,
"startInsetY": 50,
"turnSpeeds": {
"all": 0.087266462599716,
"wing": 0.043633231299858,
"nose": 0
},
"initialMissiles": 20,
"missileSpeed": 10,
"missileCooldownFrames": 4,
"missileLifetime": 75,
"acceleration": {
"all": 0.3,
"wing": 0.15,
"nose": 0
},
"maxEngineSpeed": 15,
"maxSpeed": 40,
"maxMissileSpeed": 56.56,
"missileSpawnDistance": 10,
"deathFrames": 34,
"resetFrames": 100,
"hyperspaceFrames": 34,
"hyperspaceFatalityRatio": {
"all": 0.25,
"wing": 0.5,
"nose": 0.5
},
"shapes": {
"all": [[-8, 16], [0, -8], [8, 16]],
"noseLeftWing": [[-8, 16], [0, -8], [4, 4], [0, 8], [0, 16]],
"noseRightWing": [[-4, 4], [0, -8], [8, 16], [0, 16], [0, 8]],
"leftWing": [[-8, 16], [-4, 4], [0, 8], [0, 16]],
"rightWing": [[4, 4], [8, 16], [0, 16], [0, 8]],
"nose": [[-4, 4], [0, -8], [4, 4], [0, 8]]
},
"shipMaxRadius": 20,
"maxFrame": 3000
}'>
<meta name="play-config" content='{
"delay": 0,
"speed": 1
}'>
<meta name="play-screensaver-config" content='{
"delay": 30,
"speed": 1,
"swapDelay": 5000
}'>
<meta name="display-config" content='{
"scale": 1,
"view3D": false,
"shapes": {
"leftWing": [[-8, 16], [-4, 4], [0, 8], [0, 16]],
"rightWing": [[4, 4], [8, 16], [0, 16], [0, 8]],
"nose": [[-4, 4], [0, -8], [4, 4], [0, 8]],
"flame": [
[[-4, 16], [0, 20], [4, 16]],
[[-4, 16], [0, 24], [4, 16]]
],
"leftFlame": [
[[-4, 16], [0, 20], [0, 16]],
[[-4, 16], [0, 24], [0, 16]]
],
"rightFlame": [
[[0, 16], [0, 20], [4, 16]],
[[0, 16], [0, 24], [4, 16]]
]
},
"colourscheme": "space"
}'>
<meta name="default-code" content="/*
* BotName_setup is called at the start of each game
*
* Input:
* team - 'red' (start left) or 'blue' (start right)
*
* Return: an object to pass to later Bot_getActions calls
*/
function Bot_setup(team) {
return {};
}
/*
* BotName_getActions is called each frame
*
* Input:
* gameInfo - an object containing the current game state
* timeLeft - time left in game (seconds)
* fieldWidth - width of board
* fieldHeight - height of board
* sun_x / sun_y / sun_r - location and kill-radius of sun
* gravityStrength - acceleration due to gravity of sun at 1 pixel away
* engineThrust - acceleration provided by engines when ship is
* undamaged (pixels/frame^2)
* speedLimit - maximum speed (pixels/frame) attainable on engine
* power
* maxSpeed - maximum speed (pixels/frame) attainable by any
* means
* numMissiles - the number of missiles currently flying
* missiles - an array of objects (x, y, xv, yv) denoting the
* current state of all flying missiles
* redScore / blueScore - score of player
* red_x / red_y / blue_* - location of player
* red_rot / blue_rot - rotation of player in degrees (0 = up, 90 = right)
* red_xv / red_yv / blue_* - velocity of player
* red_shape / blue_shape - name of shape for player ('full ship' /
* 'left wing' / 'right wing' / 'nose only') -
* matches shipShapes global
* red_missileStock / blue_* - number of missiles remaining for player
* red_inHyperspace / blue_* - true if the player is currently in hyperspace
* (intangible)
* red_exploded / blue_* - true if the player has exploded after dying
* (intangible)
* red_alive / blue_alive - true if the player is still alive. If false and
* *_exploded is also false, the player is currently
* 'frozen' and hazardous to touch
* botVars - the object returned by Bot_setup (mutable)
*
* Globals:
* shipShapes - an object containing vector shapes for ships in various
* states: 'full ship', 'left wing', 'right wing', 'nose'
* LineIntersection - a function which computes the intersection point of two
* line segments
* getShipCoords - a function which returns the current shape of a ship
* ('red' or 'blue') rotated and positioned on the board
*
* Return: a list of actions:
* 'turn left' - turn 5 degrees counter-clockwise
* 'turn right' - turn 5 degress clockwise
* 'fire engine' - accelerate forwards
* 'fire missile' - fire a missile (no-op if no missiles left or too rapid)
* 'hyperspace' - enter hyperspace
*/
function Bot_getActions(gameInfo, botVars) {
return [];
}
">
<script src="core/requirejs.js"></script>
<script src="engine/entry.js" async></script>
</head>
<body>
<noscript>This viewer requires Javascript!</noscript>
</body>
</html>