could someone please help me to understand how collision detection works in JS? I can't use jQuery or gameQuery - already using prototype - so, I'm looking for something very simple. Not asking for complete solution, just point me to the ri...
I am working on an isometric game engine and have already created an algorithm for pixel perfect click detection. Visit the project and notice that click detection is able to detect which edge of the tile was clicked. It is also checks the y-index...
I've tried searching for a javascript function that will detect if two lines intersect each other.  The function will take the x,y values of both the start end points for each line (we'll call them line A and line B).  Is to return true if th...
Actually I am trying to detect thee collision of the Rectangle with the circle in the following piece of code:-  function checkCollision() {      //checking of the Collision      if (ry + rh > cy - radius && rx + rw > cx - radius &&...
I am building a web application that draws a set of letters in different fonts on an HTML 5 Canvas using fillText. The user will click somewhere on that canvas and I need to check which letter they clicked on (or if they clicked on a letter at all)....
I am pretty new to both CANVAS and Kineticjs but I feel what I am attemping should be much easier then I am making it out to be. Basically this is what I have so far:  The code I am attempting to use is from kineticjs Stop drag to a shape when overla...
I'm trying to wrap my head around using the Separating Axis Theorem in JavaScript to detect two squares colliding (one rotated, one not). As hard as I try, I can't figure out what this would look like in JavaScript, nor can I find any JavaScr...
I'm building a game in Javascript using canvas which requires collision detection, in this case if the player sprite hits a box, the player must not be allowed through the box.  I have a global array called blockList that holds all the boxes bein...
Anyone know how to check for collision between certain divs? At the moment I'm using getBoundingClientRect(), but it checks for every div:  if (this.getBoundingClientRect()) {     animateContinue = 1; }   How would I go about checking specific on...
This is a half programming, half math question.  I've got some boxes, which are represented as four corner points. They are true rectangles, the intersections of two sets of parallel lines, with every line in each set at a right angle to both lin...

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