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server.js
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// Generated by CoffeeScript 1.6.2
(function() {
var Ball, Canvas, KEY_DOWN, KEY_UP, K_0, K_1, K_2, K_3, K_4, K_5, K_6, K_7, K_8, K_9, K_ALT, K_BACKSPACE, K_CTRL, K_DOWN, K_ENTER, K_ESC, K_LEFT, K_RIGHT, K_SHIFT, K_SPACE, K_TAB, K_UP, K_a, K_b, K_c, K_d, K_e, K_f, K_g, K_h, K_i, K_j, K_k, K_l, K_m, K_n, K_o, K_p, K_q, K_r, K_s, K_t, K_u, K_v, K_w, K_x, K_y, K_z, MOUSE_DOWN, MOUSE_MOTION, MOUSE_UP, MOUSE_WHEEL, Pitch, Player, QUIT, ScoreBoard, Vector2d, WorldModel, clone, debug, debug_left_team, debug_right_team, gameloop, main, multiply, onkeydown, onmousedown, root;
K_UP = 38;
K_DOWN = 40;
K_RIGHT = 39;
K_LEFT = 37;
K_SPACE = 32;
K_BACKSPACE = 8;
K_TAB = 9;
K_ENTER = 13;
K_SHIFT = 16;
K_CTRL = 17;
K_ALT = 18;
K_ESC = 27;
K_0 = 48;
K_1 = 49;
K_2 = 50;
K_3 = 51;
K_4 = 52;
K_5 = 53;
K_6 = 54;
K_7 = 55;
K_8 = 56;
K_9 = 57;
K_a = 65;
K_b = 66;
K_c = 67;
K_d = 68;
K_e = 69;
K_f = 70;
K_g = 71;
K_h = 72;
K_i = 73;
K_j = 74;
K_k = 75;
K_l = 76;
K_m = 77;
K_n = 78;
K_o = 79;
K_p = 80;
K_q = 81;
K_r = 82;
K_s = 83;
K_t = 84;
K_u = 85;
K_v = 86;
K_w = 87;
K_x = 88;
K_y = 89;
K_z = 90;
QUIT = 0;
KEY_DOWN = 1;
KEY_UP = 2;
MOUSE_MOTION = 3;
MOUSE_UP = 4;
MOUSE_DOWN = 5;
MOUSE_WHEEL = 6;
onkeydown = function(ev, wm) {
switch (ev.keyCode) {
case K_k:
return wm.pitch.kickoff();
case K_r:
return wm.reset();
}
};
onmousedown = function(ev, wm, x, y) {
return 0;
};
Player = (function() {
function Player(p, dir, wm, side) {
this.fc = 'grey';
this.sc = 'black';
this.m = 5.0;
this.r = 6.5;
this.t = 'none';
this.v = [0, 0];
this.decay = 0.4;
this.maxdashforce = 6;
this.maxkickforce = 2.2;
this.maxturnangle = 0.1;
this.force = 0;
this.kickforce = 0;
this.dd = 0;
this.wm = wm;
this.side = side;
this.p = this.transpos(p);
this.d = this.transdir(dir);
this.initpos = clone(this.p);
this.last_v = clone(this.v);
}
Player.prototype.reset = function() {
return this.p = clone(this.initpos);
};
Player.prototype.render = function(canvas) {
var fill_color, stroke_color, x, y;
if (!this.client || !this.client.fill_color) {
fill_color = this.fc;
} else {
fill_color = this.client.fill_color;
}
stroke_color = this.sc;
x = this.p[0];
y = this.p[1];
canvas.fillCircle(fill_color, x, y, this.r);
canvas.drawCircle(stroke_color, x, y, this.r);
return canvas.fillArc(stroke_color, x, y, this.r, this.d - 2 * Math.PI / 5, this.d + 2 * Math.PI / 5);
};
Player.prototype.take_action = function() {
var action, actions, _results;
if (!this.client) {
return;
}
actions = this.client.think(this.getbasicinfo());
_results = [];
for (action in actions) {
switch (action) {
case 'jump':
_results.push(this.jump(actions['jump']));
break;
case 'dash':
_results.push(this.dash(actions['dash']));
break;
case 'turn':
_results.push(this.turn(actions['turn']));
break;
case 'kick':
_results.push(this.kick(actions['kick']));
break;
case 'suck':
_results.push(this.suck());
break;
default:
_results.push(void 0);
}
}
return _results;
};
Player.prototype.update = function() {
var a, ds, dv, unitv;
if (this.wm.selected !== this) {
this.take_action();
}
this.last_v = clone(this.v);
if (Vector2d.len(this.v) > 1e-5) {
ds = this.v;
this.p = Vector2d.add(this.p, ds);
this.v = Vector2d.multiply(this.v, this.decay);
}
a = this.force / this.m;
this.force = 0;
unitv = Vector2d.vector(this.d);
dv = Vector2d.multiply(unitv, a);
this.v = Vector2d.add(this.v, dv);
this.d += this.dd;
this.dd = 0;
if (this.kickforce !== 0) {
this.wm.pitch.last_touch_ball = this.side;
}
this.wm.ball.acc(unitv, this.kickforce);
return this.kickforce = 0;
};
Player.prototype.dash = function(force) {
if (force > this.maxdashforce) {
force = this.maxdashforce;
}
if (force < -this.maxdashforce) {
force = -this.maxdashforce;
}
return this.force = force;
};
Player.prototype.turn = function(dir) {
this.dd = dir;
if (this.dd > this.maxturnangle) {
this.dd = this.maxturnangle;
}
if (this.dd < -this.maxturnangle) {
return this.dd = -this.maxturnangle;
}
};
Player.prototype.kick = function(force) {
var bp, p2b, unitv;
if (!this.wm) {
return;
}
if (force <= 0) {
return;
}
bp = this.wm.ball.p;
if (Vector2d.distance(this.p, bp) > this.r + this.wm.ball.r + 3) {
return;
}
p2b = Vector2d.subtract(bp, this.p);
unitv = Vector2d.vector(this.d);
if (Math.abs(Vector2d.angle(p2b, unitv)) > Math.PI / 6) {
return;
}
if (force > this.maxkickforce) {
force = this.maxkickforce;
}
return this.kickforce = force;
};
Player.prototype.jump = function(pos) {
this.p = clone(pos);
return this.p = this.transpos(this.p);
};
Player.prototype.suck = function() {
var bp, p2b, pos, unitdir, unitv;
pos = this.transpos(this.wm.ball.p);
if (this.client.teamnum !== 0) {
return;
}
if (pos[0] > -this.wm.pitch.pitch_length / 2 + this.wm.pitch.penalty_area_length) {
return;
}
if (pos[1] > this.wm.pitch.penalty_area_width / 2) {
return;
}
bp = this.wm.ball.p;
if (Vector2d.distance(this.p, bp) > this.r + this.wm.ball.r + 3) {
return;
}
p2b = Vector2d.subtract(bp, this.p);
unitv = Vector2d.vector(this.d);
if (Math.abs(Vector2d.angle(p2b, unitv)) > Math.PI / 6) {
return;
}
unitdir = Vector2d.vector(this.d);
this.wm.ball.p = Vector2d.add(Vector2d.multiply(unitdir, this.wm.ball.r + this.r + 0.1), this.p);
this.wm.ball.v = [0, 0];
return this.wm.pitch.change_state('goalkick_' + this.side);
};
Player.prototype.getbasicinfo = function() {
var p, player, wm, _i, _j, _len, _len1, _ref, _ref1;
wm = {};
wm.leftplayers = [];
wm.rightplayers = [];
_ref = this.wm.leftplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
p = clone(player.p);
p = this.transpos(p);
wm.leftplayers.push(p);
}
_ref1 = this.wm.rightplayers;
for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
player = _ref1[_j];
p = clone(player.p);
p = this.transpos(p);
wm.rightplayers.push(p);
}
wm.gamestate = this.wm.pitch.state;
wm.ball = clone(this.wm.ball.p);
wm.ball = this.transpos(wm.ball);
wm.mydir = this.transdir(this.d);
return wm;
};
Player.prototype.transpos = function(p) {
if (this.side === 'left') {
return p;
}
return [-p[0], -p[1]];
};
Player.prototype.transdir = function(dir) {
if (this.side === 'left') {
return dir;
}
return Math.normaliseRadians(dir + Math.PI);
};
return Player;
})();
ScoreBoard = (function() {
function ScoreBoard() {
this.board_length = 400;
this.board_height = 50;
this.left_score = 0;
this.right_score = 0;
this.left_teamname = "???";
this.right_teamname = "???";
this.board_color = '#000';
this.text_color = '#FFF';
this.timer = 0;
}
ScoreBoard.prototype.render = function(canvas) {
var board, board_text;
if (this.state === 'playon') {
this.timer += 1;
}
board = {
x: -this.board_length / 2,
y: -canvas.h / 2,
w: this.board_length,
h: this.board_height
};
canvas.fillRect(this.board_color, board);
board_text = this.left_teamname + ' ' + this.left_score + ' : ';
board_text += this.right_score + ' ' + this.right_teamname;
canvas.drawText(this.text_color, '20px play', board_text, 0, -canvas.h / 2 + 20);
return canvas.drawText(this.text_color, '20px play', this.state + ' ' + parseInt(this.timer / 10), 0, -canvas.h / 2 + 40);
};
ScoreBoard.prototype.reset = function() {
this.timer = 0;
this.left_score = 0;
return this.right_score = 0;
};
ScoreBoard.prototype.set_state = function(st) {
return this.state = st;
};
ScoreBoard.prototype.increase_left_score = function() {
return this.left_score += 1;
};
ScoreBoard.prototype.increase_right_score = function() {
return this.right_score += 1;
};
ScoreBoard.prototype.switch_sides = function() {
var _ref, _ref1;
_ref = [this.right_score, this.left_score], this.left_score = _ref[0], this.right_score = _ref[1];
return _ref1 = [this.right_teamname, this.left_teamname], this.left_teamname = _ref1[0], this.right_teamname = _ref1[1], _ref1;
};
return ScoreBoard;
})();
Pitch = (function() {
function Pitch() {
this.pitch_length = 1050;
this.pitch_width = 680;
this.center_circle_r = 91.5;
this.freekick_circle_r = 91.5;
this.penalty_area_length = 165;
this.penalty_area_width = 403.2;
this.penalty_circle_r = 91.5;
this.penalty_spot_dist = 110;
this.goal_width = 140.2;
this.goal_area_length = 55;
this.goal_area_width = 183.2;
this.goal_depth = 24.4;
this.goal_post_radius = 0.6;
this.corner_arc_r = 10;
this.half_time = 10000;
this.goal_pillars = {
left: {
up: [-(this.pitch_length / 2), this.goal_width / 2],
bottom: [-(this.pitch_length / 2), -(this.goal_width / 2)]
},
right: {
up: [this.pitch_length / 2, this.goal_width / 2],
bottom: [this.pitch_length / 2, -(this.goal_width / 2)]
}
};
this.field_color = 'RGB(31, 160, 31)';
this.line_color = 'RGB(255, 255, 255)';
this.goal_color = '#000';
this.state = "before_kickoff";
this.last_goal_side = null;
this.auto_kickoff = false;
this.kickoff_delay = 0;
this.second_half = false;
}
Pitch.prototype.checkrules = function(wm) {
this.wm = wm;
switch (this.state) {
case 'before_kickoff':
return this.before_kickoff_rules();
case 'kickoff_left':
return this.kickoff_left_rules();
case 'kickoff_right':
return this.kickoff_right_rules();
case 'playon':
return this.playon_rules();
case 'goalkick_left':
return this.goalkick_left_rules();
case 'goalkick_right':
return this.goalkick_right_rules();
case 'kickin_left':
return this.kickin_left_rules();
case 'kickin_right':
return this.kickin_right_rules();
case 'cornerkick_left':
return this.cornerkick_left_rules();
case 'cornerkick_right':
return this.cornerkick_right_rules();
}
};
Pitch.prototype.render = function(canvas) {
var field, goal_area_bottom_y, goal_area_top_y, goal_area_x, goal_area_y_abs, goal_top_y, half_length, left_goal, left_x, pen_bottom_y, pen_circle_dia, pen_circle_r, pen_circle_y_degree_abs, pen_spot_x, pen_top_y, pen_x, post_bottom_y, post_diameter, post_top_y, right_goal, right_x;
field = {
x: -canvas.w / 2,
y: -canvas.h / 2,
w: canvas.w,
h: canvas.h
};
canvas.fillRect(this.field_color, field);
field = {
x: -this.pitch_length / 2,
y: -this.pitch_width / 2,
w: this.pitch_length,
h: this.pitch_width
};
canvas.drawRect(this.line_color, field);
canvas.drawLine(this.line_color, 0, field.y, 0, field.y + field.h);
canvas.drawArc(this.line_color, 0, 0, this.center_circle_r, 0, 2 * Math.PI);
canvas.drawArc(this.line_color, field.x, field.y, this.corner_arc_r, 0, Math.PI / 2);
canvas.drawArc(this.line_color, field.x + field.w, field.y, this.corner_arc_r, Math.PI / 2, Math.PI);
canvas.drawArc(this.line_color, field.x + field.w, field.y + field.h, this.corner_arc_r, Math.PI, 3 * Math.PI / 2);
canvas.drawArc(this.line_color, field.x, field.y + field.h, this.corner_arc_r, 3 * Math.PI / 2, 2 * Math.PI);
half_length = this.pitch_length / 2;
left_x = -half_length;
right_x = half_length;
pen_top_y = -this.penalty_area_width / 2;
pen_bottom_y = this.penalty_area_width / 2;
pen_circle_y_degree_abs = Math.acos((this.penalty_area_length - this.penalty_spot_dist) / this.penalty_circle_r);
pen_circle_r = this.penalty_circle_r;
pen_circle_dia = this.penalty_circle_r * 2.0;
pen_x = -(half_length - this.penalty_area_length);
pen_spot_x = -(half_length - this.penalty_spot_dist);
canvas.drawArc(this.line_color, -(half_length + this.penalty_spot_dist - this.penalty_area_length), 0, pen_circle_dia, -pen_circle_y_degree_abs, pen_circle_y_degree_abs);
canvas.drawLine(this.line_color, left_x, pen_top_y, pen_x, pen_top_y);
canvas.drawLine(this.line_color, pen_x, pen_top_y, pen_x, pen_bottom_y);
canvas.drawLine(this.line_color, pen_x, pen_bottom_y, left_x, pen_bottom_y);
canvas.drawArc(this.line_color, pen_spot_x, 0, 1, 0, 2 * Math.PI);
pen_x = +(half_length - this.penalty_area_length);
pen_spot_x = +(half_length - this.penalty_spot_dist);
canvas.drawArc(this.line_color, +(half_length + this.penalty_spot_dist - this.penalty_area_length), 0, pen_circle_dia, Math.PI - pen_circle_y_degree_abs, Math.PI + pen_circle_y_degree_abs);
canvas.drawLine(this.line_color, right_x, pen_top_y, pen_x, pen_top_y);
canvas.drawLine(this.line_color, pen_x, pen_top_y, pen_x, pen_bottom_y);
canvas.drawLine(this.line_color, pen_x, pen_bottom_y, right_x, pen_bottom_y);
canvas.drawArc(this.line_color, pen_spot_x, 0, 1, 0, 2 * Math.PI);
left_x = -this.pitch_length / 2;
right_x = +this.pitch_length / 2;
goal_area_y_abs = this.goal_area_width / 2;
goal_area_top_y = -goal_area_y_abs;
goal_area_bottom_y = +goal_area_y_abs;
goal_area_x = left_x + this.goal_area_length;
canvas.drawLine(this.line_color, left_x, goal_area_top_y, goal_area_x, goal_area_top_y);
canvas.drawLine(this.line_color, goal_area_x, goal_area_top_y, goal_area_x, goal_area_bottom_y);
canvas.drawLine(this.line_color, goal_area_x, goal_area_bottom_y, left_x, goal_area_bottom_y);
goal_area_x = right_x - this.goal_area_length;
canvas.drawLine(this.line_color, right_x, goal_area_top_y, goal_area_x, goal_area_top_y);
canvas.drawLine(this.line_color, goal_area_x, goal_area_top_y, goal_area_x, goal_area_bottom_y);
canvas.drawLine(this.line_color, goal_area_x, goal_area_bottom_y, right_x, goal_area_bottom_y);
goal_top_y = -this.goal_width * 0.5;
post_top_y = -this.goal_width * 0.5 - this.goal_post_radius * 2.0;
post_bottom_y = this.goal_width * 0.5;
post_diameter = this.goal_post_radius * 2.0;
left_goal = {
x: -this.pitch_length / 2 - this.goal_depth - 1,
y: goal_top_y,
w: this.goal_depth,
h: this.goal_width
};
canvas.fillRect(this.goal_color, left_goal);
right_goal = {
x: this.pitch_length / 2 + 1,
y: goal_top_y,
w: this.goal_depth,
h: this.goal_width
};
canvas.fillRect(this.goal_color, right_goal);
this.board.set_state(this.state);
return this.board.render(canvas);
};
Pitch.prototype.goalkick_left_rules = function() {
var player, _i, _len, _ref;
_ref = this.wm.rightplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
if (this.in_left_penalty(player.p)) {
player.p[0] = -this.pitch_length / 2 + this.penalty_area_length + this.freekick_circle_r;
}
}
if (!this.in_left_penalty(this.wm.ball.p)) {
return this.change_state('playon');
}
};
Pitch.prototype.goalkick_right_rules = function() {
var player, _i, _len, _ref;
_ref = this.wm.leftplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
if (this.in_right_penalty(player.p)) {
player.p[0] = this.pitch_length / 2 - this.penalty_area_length - this.freekick_circle_r;
}
}
if (!this.in_right_penalty(this.wm.ball.p)) {
return this.change_state('playon');
}
};
Pitch.prototype.kickin_left_rules = function() {
return this.freekick_left_rules();
};
Pitch.prototype.kickin_right_rules = function() {
return this.freekick_right_rules();
};
Pitch.prototype.cornerkick_left_rules = function() {
return this.freekick_left_rules();
};
Pitch.prototype.cornerkick_right_rules = function() {
return this.freekick_right_rules();
};
Pitch.prototype.freekick_left_rules = function() {
var player, _i, _len, _ref;
_ref = this.wm.rightplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
this.freekick_circle(player, this.wm.ball.p);
}
if (this.last_touch_ball) {
return this.change_state('playon');
}
};
Pitch.prototype.freekick_right_rules = function() {
var player, _i, _len, _ref;
_ref = this.wm.leftplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
this.freekick_circle(player, this.wm.ball.p);
}
if (this.last_touch_ball) {
return this.change_state('playon');
}
};
Pitch.prototype.freekick_circle = function(player, ball) {
var ball2player, d, pp;
pp = player.p;
d = 2 * this.freekick_circle_r;
if (Vector2d.distance(pp, ball) < this.freekick_circle_r) {
ball2player = Vector2d.unit(Vector2d.subtract(pp, ball));
player.p = Vector2d.add(Vector2d.multiply(ball2player, this.freekick_circle_r), ball);
if (player.p[0] > this.pitch_length / 2) {
player.p[0] -= d;
}
if (player.p[0] < -this.pitch_length / 2) {
player.p[0] += d;
}
if (player.p[1] > this.pitch_width / 2) {
player.p[1] -= d;
}
if (player.p[1] < -this.pitch_width / 2) {
return player.p[1] += d;
}
}
};
Pitch.prototype.before_kickoff_rules = function() {
var player, _i, _j, _len, _len1, _ref, _ref1;
_ref = this.wm.leftplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
if (player.p[0] > -player.r) {
player.p[0] = -player.r;
}
if (Vector2d.distance(player.p, [0, 0]) < this.center_circle_r) {
player.p[0] = -this.center_circle_r;
}
}
_ref1 = this.wm.rightplayers;
for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
player = _ref1[_j];
if (player.p[0] < player.r) {
player.p[0] = player.r;
}
if (Vector2d.distance(player.p, [0, 0]) < this.center_circle_r) {
player.p[0] = this.center_circle_r;
}
}
if (this.auto_kickoff) {
this.kickoff_delay -= 1;
if (this.kickoff_delay <= 0) {
return this.kickoff();
}
}
};
Pitch.prototype.kickoff = function() {
switch (this.state) {
case 'before_kickoff':
if (this.last_goal_side === 'left') {
return this.change_state('kickoff_right');
} else {
return this.change_state('kickoff_left');
}
}
};
Pitch.prototype.kickoff_left_rules = function() {
var player, _i, _len, _ref;
_ref = this.wm.rightplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
if (player.p[0] < player.r) {
player.p[0] = player.r;
}
if (Vector2d.distance(player.p, [0, 0]) < this.center_circle_r) {
player.p[0] = this.center_circle_r;
}
}
if (this.last_touch_ball) {
return this.change_state('playon');
}
};
Pitch.prototype.kickoff_right_rules = function() {
var player, _i, _len, _ref;
_ref = this.wm.leftplayers;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
player = _ref[_i];
if (player.p[0] > -player.r) {
player.p[0] = -player.r;
}
if (Vector2d.distance(player.p, [0, 0]) < this.center_circle_r) {
player.p[0] = -this.center_circle_r;
}
}
if (this.last_touch_ball) {
return this.change_state('playon');
}
};
Pitch.prototype.playon_rules = function() {
var x, y;
x = this.wm.ball.p[0];
y = this.wm.ball.p[1];
if (Math.abs(y) < this.goal_width / 2 - this.wm.ball.r) {
if (x < -this.pitch_length / 2 - this.wm.ball.r) {
if (this.is_goal(this.wm.ball, this.goal_pillars.left.bottom, this.goal_pillars.left.up)) {
this.board.increase_right_score();
this.last_goal_side = 'right';
this.change_state('before_kickoff');
this.wm.ball.reset();
return;
}
}
if (x > this.pitch_length / 2 + this.wm.ball.r) {
if (this.is_goal(this.wm.ball, this.goal_pillars.right.bottom, this.goal_pillars.right.up)) {
this.board.increase_left_score();
this.last_goal_side = 'left';
this.change_state('before_kickoff');
this.wm.ball.reset();
return;
}
}
} else {
if (Math.abs(y) > this.pitch_width / 2 + this.wm.ball.r) {
if (y > 0) {
y = this.pitch_width / 2;
} else {
y = -this.pitch_width / 2;
}
x = this.wm.ball.last_p[0];
this.wm.ball.reset();
this.wm.ball.p = [x, y];
if (this.last_touch_ball === 'left') {
this.change_state('kickin_right');
} else {
this.change_state('kickin_left');
}
return;
}
}
if (x < -this.pitch_length / 2 - this.wm.ball.r) {
if (this.last_touch_ball === 'right') {
this.wm.ball.reset();
this.wm.ball.p = [-this.pitch_length / 2 + this.penalty_spot_dist, 0];
this.change_state('goalkick_left');
} else {
this.wm.ball.reset();
this.wm.ball.p = [-this.pitch_length / 2, Math.sign(y) * this.pitch_width / 2];
this.change_state('cornerkick_right');
}
return;
}
if (x > this.pitch_length / 2 + this.wm.ball.r) {
if (this.last_touch_ball === 'left') {
this.wm.ball.reset();
this.wm.ball.p = [this.pitch_length / 2 - this.penalty_spot_dist, 0];
this.change_state('goalkick_right');
} else {
this.wm.ball.reset();
this.wm.ball.p = [this.pitch_length / 2, Math.sign(y) * this.pitch_width / 2];
this.change_state('cornerkick_left');
}
return;
}
if (this.board.timer > this.half_time && !this.second_half) {
this.second_half = true;
this.change_state('before_kickoff');
this.wm.ball.reset();
this.auto_kickoff = true;
this.kickoff_delay = 50;
this.wm.switch_sides();
this.board.switch_sides();
this.last_goal_side = null;
}
if (this.board.timer > 2 * this.half_time) {
return this.change_state('game_over');
}
};
Pitch.prototype.is_goal = function(ball, l1, l2) {
var denominator, u1, u2, v1, v2, x, x1, x2, y, y1, y2;
x1 = ball.last_p[0];
y1 = ball.last_p[1];
x2 = ball.p[0];
y2 = ball.p[1];
u1 = l1[0];
v1 = l1[1];
u2 = l2[0];
v2 = l2[1];
denominator = (y2 - y1) * (u2 - u1) - (x1 - x2) * (v1 - v2);
if (denominator === 0) {
return false;
}
x = ((x2 - x1) * (u2 - u1) * (v1 - y1) + (y2 - y1) * (u2 - u1) * x1 - (v2 - v1) * (x2 - x1) * u1) / denominator;
y = ((y2 - y1) * (v2 - v1) * (u1 - x1) + (x2 - x1) * (v2 - v1) * y1 - (u2 - u1) * (y2 - y1) * v1) / denominator;
if ((x - u1) * (x - u2) <= 0 && (y - v1) * (y - v2) <= 0 && (x2 - x1) * u1 > 0) {
this.auto_kickoff = true;
this.kickoff_delay = 50;
return true;
}
return false;
};
Pitch.prototype.reset = function() {
this.change_state('before_kickoff');
this.auto_kickoff = true;
this.kickoff_delay = 100;
this.second_half = false;
return this.last_goal_side = null;
};
Pitch.prototype.change_state = function(state) {
this.state = state;
if (this.state !== 'playon') {
return this.last_touch_ball = null;
}
};
Pitch.prototype.in_left_penalty = function(pos) {
return pos[0] <= -this.pitch_length / 2 + this.penalty_area_length && Math.abs(pos[1]) <= this.penalty_area_width / 2;
};
Pitch.prototype.in_right_penalty = function(pos) {
return pos[0] >= this.pitch_length / 2 - this.penalty_area_length && Math.abs(pos[1]) <= this.penalty_area_width / 2;
};
return Pitch;
})();
Ball = (function() {
function Ball(x, y) {
this.r = 2.5;
this.m = 0.2;
this.sc = "#FFA500";
this.fc = "#FFA500";
this.p = [x, y];
this.v = [0, 0];
this.decay = 0.94;
this.last_p = this.p;
this.last_v = this.v;
}
Ball.prototype.acc = function(dir, force) {
var a, dv, unitdir;
unitdir = Vector2d.unit(dir);
a = Vector2d.multiply(unitdir, force / this.m);
dv = a;
return this.v = Vector2d.add(this.v, dv);
};
Ball.prototype.render = function(canvas) {
var x, y;
x = this.p[0];
y = this.p[1];
canvas.drawCircle(this.sc, x, y, this.r + 1);
return canvas.fillCircle(this.fc, x, y, this.r);
};
Ball.prototype.update = function() {
var ds;
this.last_p = clone(this.p);
this.last_v = clone(this.v);
if (Vector2d.len(this.v) > 1e-3) {
ds = this.v;
this.p = Vector2d.add(this.p, ds);
return this.v = Vector2d.multiply(this.v, this.decay);
}
};
Ball.prototype.reset = function() {
this.p = [0, 0];
this.v = [0, 0];
this.last_p = [0, 0];
return this.last_v = [0, 0];
};
return Ball;
})();
Canvas = function(ctx, w, h) {
this.ctx = ctx;
this.w = w;
return this.h = h;
};
Canvas.prototype.fillRect = function(color, rect) {
this.ctx.fillStyle = color;
return this.ctx.fillRect(this.xscreen(rect.x), this.yscreen(rect.y), rect.w, rect.h);
};
Canvas.prototype.drawRect = function(color, rect) {
this.ctx.strokeStyle = color;
return this.ctx.strokeRect(this.xscreen(rect.x), this.yscreen(rect.y), rect.w, rect.h);
};
Canvas.prototype.drawLine = function(color, sx, sy, ex, ey) {
this.ctx.strokeStyle = color;
this.ctx.beginPath();
this.ctx.moveTo(this.xscreen(sx), this.yscreen(sy));
this.ctx.lineTo(this.xscreen(ex), this.yscreen(ey));
return this.ctx.stroke();
};
Canvas.prototype.drawArc = function(color, x, y, r, sAngle, eAngle) {
this.ctx.strokeStyle = color;
this.ctx.beginPath();
this.ctx.arc(this.xscreen(x), this.yscreen(y), r, sAngle, eAngle);
return this.ctx.stroke();
};
Canvas.prototype.fillArc = function(color, x, y, r, sAngle, eAngle) {
this.ctx.fillStyle = color;
this.ctx.beginPath();
this.ctx.arc(this.xscreen(x), this.yscreen(y), r, sAngle, eAngle);
return this.ctx.fill();
};
Canvas.prototype.drawCircle = function(color, x, y, r) {
return this.drawArc(color, x, y, r, 0, 2 * Math.PI);
};
Canvas.prototype.fillCircle = function(color, x, y, r) {
return this.fillArc(color, x, y, r, 0, 2 * Math.PI);
};
Canvas.prototype.drawText = function(color, font, text, x, y) {
this.ctx.fillStyle = color;
this.ctx.font = font;
x = x - this.ctx.measureText(text).width / 2;
return this.ctx.fillText(text, this.xscreen(x), this.yscreen(y));
};
Canvas.prototype.xscreen = function(x) {
return x + this.w / 2;
};
Canvas.prototype.yscreen = function(y) {
return y + this.h / 2;
};
WorldModel = (function() {
function WorldModel() {
this.objs = [];
this.leftplayers = [];
this.rightplayers = [];
}
WorldModel.prototype.register = function(obj) {
return this.objs.push(obj);
};
WorldModel.prototype.unregister = function(obj) {
var idx;
idx = this.objs.indexOf(obj);
if (idx >= 0) {
return this.objs.splice(idx, 1);
}
};
WorldModel.prototype.render = function(canvas) {
var obj, _i, _len, _ref, _results;
_ref = this.objs;
_results = [];