API tools faq
paste
Advertisement
Guest User

Untitled

a guest
Jul 23rd, 2019
124
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 8.24 KB | None | 0 0
raw download clone embed print report
  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <meta charset="utf-8" />
  5. <title>Gamedev Canvas Workshop</title>
  6. <style>
  7. * { padding: 0; margin: 0; }
  8. canvas { background: #eee; display: block; margin: 0 auto; }
  9. </style>
  10. </head>
  11. <body>
  12.  
  13. <canvas id="myCanvas" width="480" height="320"></canvas>
  14.  
  15. <script>
  16. var canvas = document.getElementById("myCanvas");
  17. var ctx = canvas.getContext("2d");
  18.  
  19. ctx.beginPath();
  20. ctx.rect(20, 40, 50, 50);
  21. ctx.fillStyle = "#FF0000";
  22. ctx.fill();
  23. ctx.closePath();
  24.  
  25. ctx.beginPath();
  26. ctx.arc(240, 160, 20, 0, Math.PI*2, false);
  27. ctx.fillStyle = "green";
  28. ctx.fill();
  29. ctx.closePath();
  30.  
  31. ctx.beginPath();
  32. ctx.rect(160, 10, 100, 40);
  33. ctx.strokeStyle = "rgba(0, 0, 255, 0.5)";
  34. ctx.stroke();
  35. var canvas = document.getElementById("myCanvas");
  36. var ctx = canvas.getContext("2d");
  37. var x = canvas.width/2;
  38. var y = canvas.height-30;
  39. var dx = 2;
  40. var dy = -2;
  41.  
  42. function drawBall() {
  43. ctx.beginPath();
  44. ctx.arc(x, y, 10, 0, Math.PI*2);
  45. ctx.fillStyle = "#0095DD";
  46. ctx.fill();
  47. ctx.closePath();
  48. }
  49.  
  50. function draw() {
  51. ctx.clearRect(0, 0, canvas.width, canvas.height);
  52. drawBall();
  53. x += dx;
  54. y += dy;
  55. }
  56.  
  57. setInterval(draw, 10);
  58. var ctx = canvas.getContext("2d");
  59. var ballRadius = 10;
  60. var x = canvas.width/2;
  61. var y = canvas.height-30;
  62. var dx = 2;
  63. var dy = -2;
  64.  
  65. function drawBall() {
  66. ctx.beginPath();
  67. ctx.arc(x, y, ballRadius, 0, Math.PI*2);
  68. ctx.fillStyle = "#0095DD";
  69. ctx.fill();
  70. ctx.closePath();
  71. }
  72.  
  73. function draw() {
  74. ctx.clearRect(0, 0, canvas.width, canvas.height);
  75. drawBall();
  76.  
  77. if(x + dx > canvas.width-ballRadius || x + dx < ballRadius) {
  78. dx = -dx;
  79. }
  80. if(y + dy > canvas.height-ballRadius || y + dy < ballRadius) {
  81. dy = -dy;
  82. }
  83.  
  84. x += dx;
  85. y += dy;
  86. }
  87.  
  88. setInterval(draw, 10);
  89. var canvas = document.getElementById("myCanvas");
  90. var ctx = canvas.getContext("2d");
  91. var ballRadius = 10;
  92. var x = canvas.width/2;
  93. var y = canvas.height-30;
  94. var dx = 2;
  95. var dy = -2;
  96. var paddleHeight = 10;
  97. var paddleWidth = 75;
  98. var paddleX = (canvas.width-paddleWidth)/2;
  99. var rightPressed = false;
  100. var leftPressed = false;
  101.  
  102. document.addEventListener("keydown", keyDownHandler, false);
  103. document.addEventListener("keyup", keyUpHandler, false);
  104.  
  105. function keyDownHandler(e) {
  106. if(e.key == "Right" || e.key == "ArrowRight") {
  107. rightPressed = true;
  108. }
  109. else if(e.key == "Left" || e.key == "ArrowLeft") {
  110. leftPressed = true;
  111. }
  112. }
  113.  
  114. function keyUpHandler(e) {
  115. if(e.key == "Right" || e.key == "ArrowRight") {
  116. rightPressed = false;
  117. }
  118. else if(e.key == "Left" || e.key == "ArrowLeft") {
  119. leftPressed = false;
  120. }
  121. }
  122.  
  123. function drawBall() {
  124. ctx.beginPath();
  125. ctx.arc(x, y, ballRadius, 0, Math.PI*2);
  126. ctx.fillStyle = "#0095DD";
  127. ctx.fill();
  128. ctx.closePath();
  129. }
  130. function drawPaddle() {
  131. ctx.beginPath();
  132. ctx.rect(paddleX, canvas.height-paddleHeight, paddleWidth, paddleHeight);
  133. ctx.fillStyle = "#0095DD";
  134. ctx.fill();
  135. ctx.closePath();
  136. }
  137.  
  138. function draw() {
  139. ctx.clearRect(0, 0, canvas.width, canvas.height);
  140. drawBall();
  141. drawPaddle();
  142.  
  143. if(x + dx > canvas.width-ballRadius || x + dx < ballRadius) {
  144. dx = -dx;
  145. }
  146. if(y + dy > canvas.height-ballRadius || y + dy < ballRadius) {
  147. dy = -dy;
  148. }
  149.  
  150. if(rightPressed && paddleX < canvas.width-paddleWidth) {
  151. paddleX += 7;
  152. }
  153. else if(leftPressed && paddleX > 0) {
  154. paddleX -= 7;
  155. }
  156.  
  157. x += dx;
  158. y += dy;
  159. }
  160.  
  161. setInterval(draw, 10);S
  162. var canvas = document.getElementById("myCanvas");
  163. var ctx = canvas.getContext("2d");
  164. var ballRadius = 10;
  165. var x = canvas.width/2;
  166. var y = canvas.height-30;
  167. var dx = 2;
  168. var dy = -2;
  169. var paddleHeight = 10;
  170. var paddleWidth = 75;
  171. var paddleX = (canvas.width-paddleWidth)/2;
  172. var rightPressed = false;
  173. var leftPressed = false;
  174.  
  175. document.addEventListener("keydown", keyDownHandler, false);
  176. document.addEventListener("keyup", keyUpHandler, false);
  177.  
  178. function keyDownHandler(e) {
  179. if(e.key == "Right" || e.key == "ArrowRight") {
  180. rightPressed = true;
  181. }
  182. else if(e.key == "Left" || e.key == "ArrowLeft") {
  183. leftPressed = true;
  184. }
  185. }
  186.  
  187. function keyUpHandler(e) {
  188. if(e.key == "Right" || e.key == "ArrowRight") {
  189. rightPressed = false;
  190. }
  191. else if(e.key == "Left" || e.key == "ArrowLeft") {
  192. leftPressed = false;
  193. }
  194. }
  195.  
  196. function drawBall() {
  197. ctx.beginPath();
  198. ctx.arc(x, y, ballRadius, 0, Math.PI*2);
  199. ctx.fillStyle = "#0095DD";
  200. ctx.fill();
  201. ctx.closePath();
  202. }
  203. function drawPaddle() {
  204. ctx.beginPath();
  205. ctx.rect(paddleX, canvas.height-paddleHeight, paddleWidth, paddleHeight);
  206. ctx.fillStyle = "#0095DD";
  207. ctx.fill();
  208. ctx.closePath();
  209. }
  210.  
  211. function draw() {
  212. ctx.clearRect(0, 0, canvas.width, canvas.height);
  213. drawBall();
  214. drawPaddle();
  215.  
  216. if(x + dx > canvas.width-ballRadius || x + dx < ballRadius) {
  217. dx = -dx;
  218. }
  219. if(y + dy > canvas.height-ballRadius || y + dy < ballRadius) {
  220. dy = -dy;
  221. }
  222.  
  223. if(rightPressed && paddleX < canvas.width-paddleWidth) {
  224. paddleX += 7;
  225. }
  226. else if(leftPressed && paddleX > 0) {
  227. paddleX -= 7;
  228. }
  229.  
  230. x += dx;
  231. y += dy;
  232. }
  233.  
  234. setInterval(draw, 10);
  235. var canvas = document.getElementById("myCanvas");
  236. var ctx = canvas.getContext("2d");
  237. var ballRadius = 10;
  238. var x = canvas.width/2;
  239. var y = canvas.height-30;
  240. var dx = 2;
  241. var dy = -2;
  242. var paddleHeight = 10;
  243. var paddleWidth = 75;
  244. var paddleX = (canvas.width-paddleWidth)/2;
  245. var rightPressed = false;
  246. var leftPressed = false;
  247.  
  248. document.addEventListener("keydown", keyDownHandler, false);
  249. document.addEventListener("keyup", keyUpHandler, false);
  250.  
  251. function keyDownHandler(e) {
  252. if(e.key == "Right" || e.key == "ArrowRight") {
  253. rightPressed = true;
  254. }
  255. else if(e.key == "Left" || e.key == "ArrowLeft") {
  256. leftPressed = true;
  257. }
  258. }
  259.  
  260. function keyUpHandler(e) {
  261. if(e.key == "Right" || e.key == "ArrowRight") {
  262. rightPressed = false;
  263. }
  264. else if(e.key == "Left" || e.key == "ArrowLeft") {
  265. leftPressed = false;
  266. }
  267. }
  268.  
  269. function drawBall() {
  270. ctx.beginPath();
  271. ctx.arc(x, y, ballRadius, 0, Math.PI*2);
  272. ctx.fillStyle = "#0095DD";
  273. ctx.fill();
  274. ctx.closePath();
  275. }
  276. function drawPaddle() {
  277. ctx.beginPath();
  278. ctx.rect(paddleX, canvas.height-paddleHeight, paddleWidth, paddleHeight);
  279. ctx.fillStyle = "#0095DD";
  280. ctx.fill();
  281. ctx.closePath();
  282. }
  283.  
  284. function draw() {
  285. ctx.clearRect(0, 0, canvas.width, canvas.height);
  286. drawBall();
  287. drawPaddle();
  288.  
  289. if(x + dx > canvas.width-ballRadius || x + dx < ballRadius) {
  290. dx = -dx;
  291. }
  292. if(y + dy < ballRadius) {
  293. dy = -dy;
  294. }
  295. else if(y + dy > canvas.height-ballRadius) {
  296. if(x > paddleX && x < paddleX + paddleWidth) {
  297. dy = -dy;
  298. }
  299. else {
  300. alert("GAME OVER");
  301. document.location.reload();
  302. clearInterval(interval); // Needed for Chrome to end game
  303. }
  304. }
  305.  
  306. if(rightPressed && paddleX < canvas.width-paddleWidth) {
  307. paddleX += 7;
  308. }
  309. else if(leftPressed && paddleX > 0) {
  310. paddleX -= 7;
  311. }
  312.  
  313. x += dx;
  314. y += dy;
  315. }
  316.  
  317. var interval = setInterval(draw, 10);
  318. var brickRowCount = 3;
  319. var brickColumnCount = 5;
  320. var brickWidth = 75;
  321. var brickHeight = 20;
  322. var brickPadding = 10;
  323. var brickOffsetTop = 30;
  324. var brickOffsetLeft = 30;
  325. var bricks = [];
  326. for(var c=0; c<brickColumnCount; c++) {
  327. bricks[c] = [];
  328. for(var r=0; r<brickRowCount; r++) {
  329. bricks[c][r] = { x: 0, y: 0 };
  330. }
  331. }
  332. function drawBricks() {
  333. for(var c=0; c<brickColumnCount; c++) {
  334. for(var r=0; r<brickRowCount; r++) {
  335. bricks[c][r].x = 0;
  336. bricks[c][r].y = 0;
  337. ctx.beginPath();
  338. ctx.rect(0, 0, brickWidth, brickHeight);
  339. ctx.fillStyle = "#0095DD";
  340. ctx.fill();
  341. ctx.closePath();
  342. }
  343. }
  344. }
  345. var brickX = (c*(brickWidth+brickPadding))+brickOffsetLeft;
  346. var brickY = (r*(brickHeight+brickPadding))+brickOffsetTop;
  347.  
  348.  
  349. </script>
  350.  
  351. </body>
  352. </html>
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!