Difference between revisions of "Today"

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<edcode>
+
Useful things to refer to.
  
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var x;
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*[[Variables]]
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var y;
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*[[If statements]]
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*[[Coordinates]]
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*[[Keycodes]]
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*[[Functions]]
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*[[Loops]]
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*[[Aiming]]
  
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x=200;
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The [[API|API page]] has a list of some of the functions you can use such as
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y=100;
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//Head
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*[[API#setColour.28colourValue.29.3B|setColour()]]
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drawCircle(x,y,50);
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*[[API#clear();|clear()]]
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*[[API#fillCircle_.28x.2C_y.2C_radius.29.3B|fillCircle()]] .
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*[[API#keyIsDown.28keyCode.29|keyIsDown()]] .
  
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//Body
 
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drawLine( x,y + 25,      x,y+100);
 
  
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//Shoulders
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<edcode>var c = {x:320, y:240, lastx:320, lasty:240, power:0.1, penSize:4};
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drawLine( x-20,y + 35,   x+20,y+35);
+
  
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//Left Arm
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var gameOver = { image : loadImage("http://fingswotidun.com/images/GameOver.png"),
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drawLine( x-20,y + 35,  x-50,y+70);
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                x:0, y: -10000,
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                endx: 0, endy: 150};
 +
               
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var gameAge=0;
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var stillAlive=true;
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var mary = {x:200, y:240, speed:0.35,colour:"blue"};
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var frank = {x:380, y:240, speed:0.2,colour:"cyan"};
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var bob = {x:580, y:100, speed: 0.25,colour:"lightgreen"};
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var chasers = [mary,frank,bob];
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chasers.add({x:100,y:100});
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function addChaser(x,y,speed=0.3,colour="yellow") {
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   chasers.add({x,y,speed,colour});
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}
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addChaser(200,100);
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addChaser(300,400,0.5);
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addChaser(400,400,0.45,"magenta");
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function drawSpot(colour,x,y) {
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  setColour("red");
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  fillCircle(x,y,10);
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  setColour(colour);
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  fillCircle(x,y,8);
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}
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function moveTowards(seeker,target) {
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  if (seeker.y < target.y) {
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    seeker.y+=seeker.speed;
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  }
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  if (seeker.y > target.y) {
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    seeker.y-=seeker.speed;
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  }
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  if (seeker.x <target.x) {
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    seeker.x+=seeker.speed;
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  }
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  if (seeker.x > target.x) {
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    seeker.x-=seeker.speed;
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  }
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}
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function play() {   
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  var dx = c.x-c.lastx;
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  var dy = c.y-c.lasty;
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  c.lastx=c.x;
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  c.lasty=c.y;
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  c.x=c.x+dx;
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  c.y=c.y+dy;
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    // the arrow keys have key codes 37,38,39 and 40
 +
 
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  if (keyIsDown(38)) {
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    c.y-=c.power;
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  }
 +
 
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  if (keyIsDown(40)) {
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    c.y+=c.power; 
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  }
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  if (keyIsDown(37)) {
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    c.x-=c.power;
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  }
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  if (keyIsDown(39)) {
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    c.x+=c.power;
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  } 
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  //keep cx onscreen
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  if (c.x>640 ) {
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    c.x=640;
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  }
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  if (c.x <0) {
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    c.x=0;
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  }
 +
 
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  //keep cy onScreen
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  if (c.y>480) {
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    c.y=480;
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  }
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  if (c.y <0) {
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    c.y=0;
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  }
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  //move chasers towards c
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  for (var meep of chasers) {
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    moveTowards(meep,c);
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    if ( distance(meep,c) < 8) {
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      stillAlive=false;
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    }
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  }
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  if ( (gameAge %300) === 0) {
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    var newX = Math.random() * 640;
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    var newY = Math.random() * 480;
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    addChaser(newX,newY,0.45+ gameAge/3000,"magenta");
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  }
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}
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function draw() {
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  clear();
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  setColour("purple");
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  fillCircle(c.x,c.y,c.penSize);
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  for (var q of chasers) {
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      drawSpot(q.colour,q.x,q.y);
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  }
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  setColour("black");
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  print("the game age is "+gameAge);
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  print(gameAge % 300);
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  drawImage(gameOver.image,gameOver.x,gameOver.y);
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}
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function move() {
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  gameAge+=1;
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  if (stillAlive) {
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    play(); 
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  } else {
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  }
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  if (keyIsDown(32)) {
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  stillAlive=false;
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  }
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  draw();
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}
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run(move);
  
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//Right Arm
 
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drawLine( x+20,y + 35,  x+50,y+70);
 
  
 
</edcode>
 
</edcode>

Latest revision as of 22:51, 6 July 2017

Useful things to refer to.

The API page has a list of some of the functions you can use such as


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