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トップに関する質問JavaScript Canvasでのゲーム開発

編集履歴

質問編集履歴

1

詳細の追加

2020/03/23 23:10

投稿

jirosian
jirosian

スコア7

test CHANGED
File without changes
test CHANGED
@@ -54,7 +54,7 @@
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  ```````````````````````````````````````````````````````````````````
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-
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+ "use strict";
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  let ctx;
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@@ -78,6 +78,398 @@
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+ function setup() {
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+
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+ ctx = document.getElementById("gameCanvas").getContext("2d");
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+
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+ sx = 31.25;
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+
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+ sy = 31.25;
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+
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+ gx = randomNumber();
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+
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+ gy = randomNumber();
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+
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+ ex = randomNumber();
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+
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+ ey = randomNumber();
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+
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+ count = 0;
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+
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+ //wx = randomNumber();
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+
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+ //wy = randomNumber();
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+
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+ draw();
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+
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+
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+
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+ }
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+
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+
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+
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+ function drawWall(x,y){
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+
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+
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+
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+ ctx.save();
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+
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+ ctx.translate(0,0);
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+
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+ ctx.fillStyle = "black";
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+
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+ ctx.rect(x,y,125,62.5);
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+
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+ ctx.fill();
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+
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+ ctx.restore();
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+
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+
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+
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+ }
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+
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+
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+
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+ function randomNumber() {
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+
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+ let locNum=31.25;
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+
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+ let locArray = []
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+
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+ for(let i=0;locNum<500;i++) {
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+
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+ locArray[i] = locNum;
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+
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+ locNum+=62.5;
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+
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+ }
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+
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+ return locArray[Math.floor(Math.random()*locArray.length)];
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+
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+
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+
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+ }
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+
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+
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+
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+ function draw() {
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+
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+ ctx.clearRect(0, 0, 500, 500);
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+
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+ drawGoal(gx,gy);
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+
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+ drawPlayer(sx,sy);
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+
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+ drawEnemy(ex,ey);
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+
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+ makeGrid();
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+
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+ let x=187.5;
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+
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+ let y=62.5;
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+
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+ //for(let i=0;i<5;i++){
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+
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+ //drawWall(x,y);
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+
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+ //y+=62.5
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+
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+ //}
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+
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+
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+
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+ }
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+
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+
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+
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+ function makeGrid() {
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+
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+ ctx.save();
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+
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+ ctx.translate(0,0);
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+
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+
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+
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+ let x = 62.5;
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+
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+ let y = 0;
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+
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+ for (let j = 0;j < 8;j++) {
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+
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+ ctx.beginPath();
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+
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+ ctx.strokeStyle = "DarkSalmon";
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+
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+ ctx.moveTo(x,y);
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+
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+ ctx.lineTo(x,y+500);
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+
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+ ctx.stroke();
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+
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+ x+=62.5;
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+
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+ }
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+
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+ x = 0;
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+
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+ y = 62.5;
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+
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+ for (let i =0;i<8;i++) {
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+
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+ ctx.beginPath();
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+
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+ ctx.strokeStyle = "DarkSalmon";
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+
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+ ctx.moveTo(x,y);
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+
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+ ctx.lineTo(x+500,y);
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+
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+ ctx.stroke();
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+
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+ y+=62.5;
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+
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+ }
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+
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+ ctx.restore();
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+
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+ }
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+
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+
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+
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+ function drawGoal(x,y) {
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+
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+ ctx.save();
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+
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+ //drawing arms and legs
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+
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+ ctx.beginPath();
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+
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+ ctx.strokeStyle = "black"
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+
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+ ctx.moveTo(x-10,y+10);
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+
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+ ctx.lineTo(x-20,y-5);
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+
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+ ctx.moveTo(x+10,y+10);
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+
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+ ctx.lineTo(x+20,y-5);
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+
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+ /*
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+
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+ ctx.moveTo(x-10,y+30);
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+
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+ ctx.lineTo(x-20,y+35);
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+
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+ ctx.moveTo(x+10,y+30);
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+
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+ ctx.lineTo(x+20,y+35);
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+
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+ */
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+
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+ ctx.stroke();
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+
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+
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+
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+ //face
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle= "yellow";
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+
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+ ctx.arc(x,y, 10,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+ //left eye
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "black"
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+
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+ ctx.arc(x-10,y, 2,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+
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+
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+ //right eye
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "black"
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+
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+ ctx.arc(x+10,y, 2,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+
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+
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+ //mouth
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "brown"
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+
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+ ctx.arc(x,y+8, 6,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+
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+
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+ //mouth line
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+
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+ ctx.beginPath();
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+
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+ ctx.lineTo(x-6,y+8);
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+
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+ ctx.lineTo(x+6,y+8);
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+
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+ ctx.stroke();
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+
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+
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+
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+ //body
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+
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+ ctx.beginPath();
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+
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+ ctx.lineWidth = "20";
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+
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+ ctx.strokeStyle = "yellow"
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+
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+ ctx.lineTo(x,y+15);
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+
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+ ctx.lineTo(x,y+20);
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+
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+ ctx.stroke();
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+
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+ ctx.restore();
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+
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+
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+
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+
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+
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+ }
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+
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+
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+
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+ function drawPlayer(x,y) {
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+
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+ ctx.save();
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle= "yellow";
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+
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+ ctx.arc(x,y, 25,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "black"
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+
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+ ctx.arc(x-15,y-5, 4,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "black"
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+
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+ ctx.arc(x+15,y-5, 4,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "brown"
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+
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+ ctx.arc(x,y+8, 10,0, 2*Math.PI)
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+
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+ ctx.fill();
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+
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+
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+
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+ ctx.beginPath();
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+
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+ ctx.moveTo(x-10,y+8);
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+
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+ ctx.lineTo(x+10,y+8);
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+
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+ ctx.stroke();
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+
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+ ctx.restore();
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+
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+
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+
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+
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+
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+ }
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+
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+
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+
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+ function drawEnemy(x,y) {
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+
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+ ctx.save();
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+
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+ ctx.translate(x,y);
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+
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+
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+
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+ //body
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "CadetBlue"
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+
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+ ctx.rect(-20,-24,40,50);
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+
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+ ctx.fill();
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+
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+
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+
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+ //eyes
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "AliceBlue"
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+
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+ ctx.rect(-15,-10,9,5);
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+
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+ ctx.rect(7,-10,9,5);
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+
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+ ctx.fill();
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+
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+
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+
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+ //mouth
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+
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+ ctx.beginPath();
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+
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+ ctx.fillStyle = "DarkRed"
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+
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+ ctx.arc(0, 3, 20, 0, Math.PI, false);
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+
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+ ctx.fill();
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+
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+
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+
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+ //ctx.strokeText("Mr.Enemy",-20,-15);
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+
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+
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+
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+ ctx.restore();
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+
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+ }
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+
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+
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+
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  addEventListener("keydown",function(event) {
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  if(event.key == "ArrowUp") {
@@ -116,8 +508,6 @@
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508
 
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  }
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510
 
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- 　　　 document.getElementById('scoreOutput').innerHTML = "Rescue: " + count;
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-
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  draw();
@@ -127,3 +517,55 @@
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517
 
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  ```````````````````````````````````````````````````````````````````
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+
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+ 問題のjsのファンクション
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+
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+
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+
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+ ```````````````````````````````````````````````````````````````````
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+
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+ addEventListener("keydown",function(event) {
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+
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+ if(event.key == "ArrowUp") {
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+
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+ sy-=62.5;
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+
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+ }else if(event.key =="ArrowDown") {
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+
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+ sy+=62.5;
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+
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+ }else if(event.key == "ArrowLeft") {
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+
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+ sx-=62.5;
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+
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+ }else if(event.key == "ArrowRight") {
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+
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+ sx+=62.5;
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+
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+ }
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+
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+
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+
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+ let count =0;
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+
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+ while(sx==gx&&sy==gy) {
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+
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+ gx=undefined;
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+
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+ gy=undefined;
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+
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+ gx=randomNumber();
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+
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+ gy=randomNumber();
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+
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+ count++;
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+
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+ }
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+
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+
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+
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+ draw();
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+
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+ });
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+
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+ ```````````````````````````````````````````````````````````````````