Today - Revision history

Lerc at 22:51, 6 July 2017

2017-07-06T22:51:30Z

Lerc at 01:32, 5 July 2017

2017-07-05T01:32:03Z

Lerc at 23:33, 3 July 2017

2017-07-03T23:33:21Z

Lerc at 23:26, 3 July 2017

2017-07-03T23:26:07Z

Lerc at 07:58, 3 July 2017

2017-07-03T07:58:12Z

Lerc at 11:54, 29 June 2017

2017-06-29T11:54:54Z

Lerc at 11:41, 29 June 2017

2017-06-29T11:41:20Z

Lerc at 00:39, 28 June 2017

2017-06-28T00:39:15Z

Lerc at 21:08, 27 June 2017

2017-06-27T21:08:02Z

Lerc at 23:55, 26 June 2017

2017-06-26T23:55:06Z

@@ Line 19: / Line 19: @@
 <edcode>var c = {x:320, y:240, lastx:320, lasty:240, power:0.1, penSize:4};
 var gameAge=0;
 var stillAlive=true;
@@ Line 113: / Line 117: @@
     for (var meep of chasers) {
       moveTowards(meep,c);
+    }
     if ( (gameAge %300) === 0) {
-      addChaser(400,400,0.45+ gameAge/3000,"magenta");
+     var newX = Math.random() * 640;
+    }
+}
@@ Line 134: / Line 145: @@
     print("the game age is "+gameAge);
     print(gameAge % 300);
+}
@@ Line 140: / Line 153: @@
    if (stillAlive) {
      play();
+   }
    if (keyIsDown(32)) {
     stillAlive=false;
@@ Line 148: / Line 164: @@
 run(move);
 </edcode>

@@ Line 64: / Line 64: @@
+}
-function move() {
+function play() {
     var dx = c.x-c.lastx;
     var dy = c.y-c.lasty;
@@ Line 114: / Line 114: @@
       moveTowards(meep,c);
+    }
     clear();
@@ Line 126: / Line 133: @@
     setColour("black");
     print("the game age is "+gameAge);
-    print(gameAge % 100);
+    print(gameAge % 300);
+}
 run(move);
 </edcode>

@@ Line 35: / Line 35: @@
 addChaser(200,100);
-addChaser(300,100,0.5);
+addChaser(300,400,0.5);
 function drawSpot(colour,x,y) {
@@ Line 130: / Line 131: @@
 run(move);
 </edcode>

@@ Line 6: / Line 6: @@
 *[[Keycodes]]
 *[[Functions]]
 *[[Aiming]]
@@ Line 18: / Line 19: @@
 <edcode>var c = {x:320, y:240, lastx:320, lasty:240, power:0.1, penSize:4};
-var mary = {x:200, y:240};
+var gameAge=0;
-var frank = {x:380, y:240};
+var stillAlive=true;
 var bob = {x:580, y:100};
 var chasers = [mary,frank,bob];
-function drawSpot(x,y) {
+chasers.add({x:100,y:100});
     setColour("red");
     fillCircle(x,y,10);
-    setColour("yellow");
+    setColour(colour);
-    fillCircle(x,y,7);
+    fillCircle(x,y,8);
+}
 function moveTowards(seeker,target) {
     if (seeker.y < target.y) {
-      seeker.y+=0.3;
+      seeker.y+=seeker.speed;
+    }
     if (seeker.y > target.y) {
-      seeker.y-=0.3;
+      seeker.y-=seeker.speed;
+    }
     if (seeker.x <target.x) {
-      seeker.x+=0.3;
+      seeker.x+=seeker.speed;
+    }
    if (seeker.x > target.x) {
-     seeker.x-=0.3;
+     seeker.x-=seeker.speed;
+   }
@@ Line 96: / Line 109: @@
+    }
-    //move mary towards c
+    //move chasers towards c
-  moveTowards(mary,c);
+   for (var meep of chasers) {
-   //move frank towards c
+     moveTowards(meep,c);
-  moveTowards(frank,c);
-    //move bob towards c
-  moveTowards(bob,c);
-−
     clear();
@@ Line 108: / Line 119: @@
     fillCircle(c.x,c.y,c.penSize);
-    drawSpot(mary.x,mary.y);
+    for (var q of chasers) {
-   drawSpot(frank.x,frank.y);
+      drawSpot(q.colour,q.x,q.y);
-    drawSpot(bob.x,bob.y);
-−
     setColour("black");
-    print(":-)");
+    print("the game age is "+gameAge);
+}
 run(move);
 </edcode>

@@ Line 16: / Line 16: @@
-<edcode>var c={x:320, y:240, lastx:320, lasty:240, power:0.1, penSize:4};
+<edcode>var c = {x:320, y:240, lastx:320, lasty:240, power:0.1, penSize:4};
-var maryx=200;
+var mary = {x:200, y:240};
-var maryy=240;
+var frank = {x:380, y:240};
-var frankx=380;
+var chasers = [mary,frank,bob];
-var franky=240;
 function drawSpot(x,y) {
@@ Line 29: / Line 29: @@
     setColour("yellow");
     fillCircle(x,y,7);
-−
+}
+}
@@ Line 79: / Line 97: @@
     //move mary towards c
-   if (maryy < c.y) {
+   moveTowards(mary,c);
-     maryy+=0.3;
-−
-−
-   if (maryy > c.y) {
-     maryy-=0.3;
-−
-−
-   if (maryx <c.x) {
-     maryx+=0.3;
-−
-−
-  if (maryx > c.x) {
-    maryx-=0.3;
-−
-−
     //move frank towards c
-   if (franky < c.y) {
+  moveTowards(frank,c);
-     franky+=0.3;
+    //move bob towards c
+  moveTowards(bob,c);
     clear();
@@ Line 117: / Line 108: @@
     fillCircle(c.x,c.y,c.penSize);
-    drawSpot(maryx,maryy);
+    drawSpot(mary.x,mary.y);
-    drawSpot(frankx,franky);
+    drawSpot(frank.x,frank.y);
+}
 run(move);
 </edcode>

@@ Line 62: / Line 62: @@
     //keep cx onscreen
     if (c.x>640 ) {
-      c.cx=640;
+      c.x=640;
+    }

@@ Line 16: / Line 16: @@
-<edcode>var cx=320;
+<edcode>var c={x:320, y:240, lastx:320, lasty:240, power:0.1, penSize:4};
-var cy=240;
 var maryx=200;
@@ Line 25: / Line 24: @@
 var franky=240;
-var power=0.1;
+function drawSpot(x,y) {
-var penSize=4;
+   setColour("red");
+   fillCircle(x,y,10);
-var lastx=cx;
+   setColour("yellow");
-var lasty=cy;
+   fillCircle(x,y,7);
 function move() {
-    var dx = cx-lastx;
+    var dx = c.x-c.lastx;
-    var dy = cy-lasty;
+    var dy = c.y-c.lasty;
-    lastx=cx;
+    c.lastx=c.x;
-    lasty=cy;
+    c.lasty=c.y;
-    cx=cx+dx;
+    c.x=c.x+dx;
-    cy=cy+dy;
+    c.y=c.y+dy;
      // the arrow keys have key codes 37,38,39 and 40
     if (keyIsDown(38)) {
-      cy-=power;
+      c.y-=c.power;
+    }
     if (keyIsDown(40)) {
-      cy+=power;
+      c.y+=c.power;
+    }
     if (keyIsDown(37)) {
-      cx-=power;
+      c.x-=c.power;
+    }
     if (keyIsDown(39)) {
-      cx+=power;
+      c.x+=c.power;
+    }
     //keep cx onscreen
-    if (cx>640 ) {
+    if (c.x>640 ) {
-      cx=640;
+      c.cx=640;
+    }
-    if (cx <0) {
+    if (c.x <0) {
-      cx=0;
+      c.x=0;
+    }
    //keep cy onScreen
-    if (cy>480) {
+    if (c.y>480) {
-      cy=480;
+      c.y=480;
+    }
-    if (cy <0) {
+    if (c.y <0) {
-      cy=0;
+      c.y=0;
+    }
-    //move mary towards cx,cy
+    //move mary towards c
-    if (maryy < cy) {
+    if (maryy < c.y) {
       maryy+=0.3;
+    }
-    if (maryy > cy) {
+    if (maryy > c.y) {
       maryy-=0.3;
+    }
-    if (maryx <cx) {
+    if (maryx <c.x) {
       maryx+=0.3;
+    }
-   if (maryx > cx) {
+   if (maryx > c.x) {
      maryx-=0.3;
+   }
-    if (keyIsDown(32)) {
+    if (frankx <c.x) {
-      clear();
+      frankx+=0.3;
+    }
     setColour("purple");
-    fillCircle(cx,cy,penSize);
+    fillCircle(c.x,c.y,c.penSize);
-    setColour("red");
+    drawSpot(maryx,maryy);
-   fillCircle(maryx,maryy,10);
+    drawSpot(frankx,franky);
-    setColour("yellow");
-   fillCircle(maryx,maryy,7);
-−
-   setColour("red");
-   fillCircle(frankx,franky,10);
-   setColour("yellow");
-   fillCircle(frankx,franky,7);
+}

@@ Line 5: / Line 5: @@
 *[[Coordinates]]
 *[[Keycodes]]
 The [[API|API page]] has a list of some of the functions you can use such as
@@ Line 115: / Line 116: @@
 run(move);
 </edcode>