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POGame programming difficult mathematical issue
 

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  1. POGame programming difficult mathematical issue
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    <p>The question I am about to ask could be somewhat challenging. I will try to make this as clear and cohesive as possible.</p> <p>I am currently making a game, in which I have a 'laser ring,' as shown here:</p> <p><img src="https://i.stack.imgur.com/F9JaL.png" alt="A laser ring"></p> <p>This laser ring, when prompted, will fire a 'grappling hook' which is simply the image shown below. This image's <code>frame.width</code> property is adjusted to make it fire (lengthen) and retract (shorten.) It starts at a width of 0, and as the frames progress, it lengthens until reaching the desired point.</p> <p><img src="https://i.stack.imgur.com/jzLWU.png" alt="enter image description here"></p> <p>This grappling hook, when fired, should line up with the ring so that they appear to be one item. Refer to the image below for clarity:</p> <p><img src="https://i.stack.imgur.com/CtZYC.png" alt="enter image description here"></p> <p>*Note that the grappling hook's width changes almost every frame, so a constant width cannot be assumed.</p> <p>Something else to note is that, for reasons that are difficult to explain, I can only access the <code>frame.center</code> property of the grappling hook and not the <code>frame.origin</code> property.</p> <p>So, my question to you all is this: How can I, accessing only the <code>frame.center.x</code> and <code>frame.center.y</code> properties of the grappling hook, place it around the laser ring in such a way that it appears to be seamlessly extending from the ring as shown in the above image - presumably calculated based on the angle and width of the grappling hook at any given frame?</p> <p>Any help is immensely appreciated.</p>
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    1. COI kinda know how to do this but I cant really figure out how to explain to you . Heres a clue : A point on the circumference of a circle making an angle theta with the center is given by coordinates (Radius* cos(theta) , Radius * sin(theta)) .
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    2. COYou should probably post this on the math stackexchange .
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    3. COHow are you rotating the grappling hook (changing its angle) if you can only access the center ?
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