2017-06-18 16:33:49 +00:00
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<!--Copyright (c) 2017 Copyright Cliffbreak.de All Rights Reserved.-->
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2017-06-18 14:46:11 +00:00
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<head>
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2017-06-18 16:44:10 +00:00
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<title>⛳ Minigolf</title>
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2017-06-18 16:33:49 +00:00
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<link rel="stylesheet" type="text/css" href="include/style.css">
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<script src="include/jquery-3.2.1.min.js"></script>
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2017-06-18 14:46:11 +00:00
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</head>
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<body>
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2017-06-18 16:33:49 +00:00
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<canvas width="1280" height="720"></canvas>
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<canvas width="1280" height="720"></canvas>
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2017-06-18 14:46:11 +00:00
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</body>
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2017-06-18 16:33:49 +00:00
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<script>
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var ctx,
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staticctx,
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bX,
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bY,
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pX,
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2017-06-18 20:17:35 +00:00
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pY,
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bVec
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2017-06-18 16:33:49 +00:00
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/************************/
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/*** _GAME VARIABLES_ ***/
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/***********************/
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var _COLOR_GRASS = '#388E3C',
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_COLOR_BORDER = '#FF9800',
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_COLOR_BALL = '#FFFFFF',
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_COLOR_HOLE = '#000000',
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_COLOR_BRACKET = '#000000'
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2017-06-18 19:50:42 +00:00
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2017-06-18 20:17:35 +00:00
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var _MAX_BRACKET = 100,
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_BALL_SPEED = 50,
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_BALL_SPEED_THRESHOLD = 10
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2017-06-18 16:33:49 +00:00
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$(function(){
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ctx = $('canvas')[0].getContext('2d')
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staticctx = $('canvas')[1].getContext('2d')
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init()
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drawBorder(23, 10, 500, 5)
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drawBorder(23, 10, 5, 500)
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drawBorder(23, 500+10-5, 500, 5)
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drawBorder(500+23-5, 10, 5, 500)
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drawHole(432, 366)
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setInterval(animLoop, 10)
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$(document).mousemove(function(e){
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pX = e.pageX - $('canvas').offset().left
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pY = e.pageY - $('canvas').offset().top
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})
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$(document).mousedown(function(e){
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var strength = Math.hypot(pX - bX, pY - bY)
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if(strength > _MAX_BRACKET)
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strength = _MAX_BRACKET
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angle = Math.atan2(pY - bY, pX - bX)
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x = bX+strength*Math.cos(angle)-_MAX_BRACKET
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y = bY+strength*Math.sin(angle)-_MAX_BRACKET
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if(Math.abs(x) < _BALL_SPEED_THRESHOLD){
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if(x < 0)
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x = -_BALL_SPEED_THRESHOLD
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if(x > 0)
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x = +_BALL_SPEED_THRESHOLD
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}
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if(Math.abs(y) < _BALL_SPEED_THRESHOLD){
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if(y < 0)
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y = -_BALL_SPEED_THRESHOLD
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if(y > 0)
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y = +_BALL_SPEED_THRESHOLD
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}
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console.log(x + '|' + y);
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if(bVec == null)
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bVec = [x/_BALL_SPEED, y/_BALL_SPEED]
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2017-06-18 19:50:42 +00:00
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})
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2017-06-18 16:33:49 +00:00
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})
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var i = 0
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function animLoop() {
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ctx.clearRect(0, 0, $('canvas').width(), $('canvas').height());
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// drawBall(bX++, bY++)
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if(bVec != null)
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drawBall(bX-i++*bVec[0], bY-i*bVec[1])
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else
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drawBall(bX, bY)
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drawBracket()
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}
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function init() {
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bX = bY = 100
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staticctx.fillStyle = _COLOR_GRASS
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staticctx.fillRect(23, 10, 500, 500);
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}
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function drawBorder(x, y, length, width) {
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staticctx.fillStyle = _COLOR_BORDER
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staticctx.fillRect(x, y, length, width);
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}
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function drawHole(x, y) {
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staticctx.beginPath()
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staticctx.arc(x, y, 20, 0, Math.PI*2)
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staticctx.fillStyle = _COLOR_HOLE
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staticctx.fill()
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staticctx.closePath()
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}
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function drawBall(x, y) {
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ctx.beginPath()
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ctx.arc(x, y, 10, 0, Math.PI*2)
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ctx.fillStyle = _COLOR_BALL
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ctx.fill()
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ctx.closePath()
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}
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function drawBracket() {
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if(bVec != null) return;
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var x = pX,
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y = pY
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if(Math.hypot(pX - bX, pY - bY) > _MAX_BRACKET){
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angle = Math.atan2(pY - bY, pX - bX)
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x = bX+_MAX_BRACKET*Math.cos(angle)
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y = bY+_MAX_BRACKET*Math.sin(angle)
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}
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ctx.beginPath()
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ctx.moveTo(bX, bY)
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ctx.lineTo(x, y)
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ctx.strokeStyle = _COLOR_BRACKET
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ctx.stroke()
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ctx.closePath()
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}
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</script>
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<script src="http://localhost:35729/livereload.js"></script>
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