[Project ended] game problem moving character with mouse, ball going through the character

Processing Coding Questions
17 
float ballX, ballY;

you never had PVector in your code,
you can use, OK, but why you use if you not like??

somewhere you are supposed to use
hatX = mouseX -45 ; // middle HAT

to limit move must check:

hatX = constrain(mouseX,45,width-45) - 45;

for the draw of all that rectangles use
hatX and not mouseX to make that limit happen,
sorry need to move all rect again.

void drawPuppy() {
  hatX = constrain(mouseX, 45, width-45) - 45;
  hatY = 400;
  fill(0);
  rect(hatX, hatY, 90, 10);                  //HAT
  fill(255, 224, 189);                       //head
  rect(hatX+15, hatY+10, 60, 40);
  fill(210, 105, 30);
  rect(hatX+25, hatY+20, 15, 5);             //left eye
  rect(hatX+25+20, hatY+20, 15, 5);          //right eye
  fill(0);
  ellipse(hatX+42, hatY+36, 10, 2);          //mouth 
  fill(255, 0, 0);
  rect(hatX+25, hatY+50, 40, 20);            //body
  fill(0);
  rect(hatX+35, hatY+70, 5, 10);             //legs        
  rect(hatX+35+15, hatY+70, 5, 10);
}

also the “ball hit hat” logic i would change
( still your pvector )


boolean ballHitsHat() {
  // Rectangle and circle collision detection
//  if (ballPos.y + ballRadius > hatY && ballPos.x + ballRadius > hatX && ballPos.x + ballRadius < hatX + hatW) {
  if (ballPos.y < hatY && ballPos.y + ballRadius > hatY && ballPos.x > hatX && ballPos.x < hatX + hatW) {
    ballPos.y = hatY-ballRadius;                   // anti rebounce
    return true;
  }
  return false;
}

so we are not able to deal with a hit on the hat corner,
( if ball center outside hatX ( + hatW ) )
but that would require real circle // rect collision logic!!!

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