The point or points at which two or more shapes cross or overlap one another.

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Java 2D Game Hitbox Detection & Rounded Corners

I am working on a simple 2D game with Java, swing and no framework. I have a rectangular player that the user can move around. On the map are few obstacles which the player should not be able to go ...
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101 views

Determine if Plane is seen by Camera

If I have an arbitrary plane (center and normal) or a quad (center, normal and width and height) and a camera (frustum, projection & view matrix, etc). Then how would I go about calculating if the ...
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Cutting a 3D mesh with a 2D shape

I have a 2D image that i want to use to cut into a 3D mesh while leaving it closed (basically cut straight through it, and close it by generating vertices in both places it cut, front and back, to ...
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289 views

Sketchy results from ray-plane intersection code

I've set up a demo with simple first-person controls using C++ and OpenGL, and it seems to work reasonably well. My goal is this: when the player looks at a plane and clicks the left mouse button, ...
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32 views

Displaying intersection by removing vertices

I am using WPF, using the MeshGeometry3D class to build up my model. I have 2 pipes intersecting each other, and I would like to remove the region of intersection (meaning erase the portion of pipe 1 ...
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37 views

Robust algorithm for ray-isosurface intersection (with depth discontinuities)

For Dual Contouring, I need to calculate the precise intersection '(zero-crossing point') of any line ('segment', 'ray') with the given isosurface ('distance field', 'density source'). The algorithm ...
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37 views

Locate point of collision for two moving lines

I am trying to implement a continuous collision detection system that checks collision between two polygons for a certain time step, concave or convex. It makes the simplification that the path ...
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103 views

Precalculating timespan of bullet collision on cubic bezier curve circles?

I'm fairly new to game logics, C#/XNA (The language/library of choice) and bezier curves in general, and is stuck in my current project. I'm going to try to explain as thoroughly as I can what the ...