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Finding nearly accurate distance between two or more nearly intersectingthree-dimensional (3D) objects is vital especially for collision determinationsuch as in virtual surgeon simulation and real-time car crash simulation.Instead of performing broad phase collision detection, we need to check foraccuracy of detection by running narrow phase collision detection. One of theimportant elements for narrow phase collision detection is to determine theprecise distance between two or more nearly intersecting objects or polygons inorder to prepare the area for potential colliding. Distance computation playsimportant roles in determine the exact point of contact between two or morenearly intersecting polygons where the preparation for collision detection isdetermined at the earlier stage. In this paper, we describes our current worksof determining the distance between objects using dynamic pivot point that willbe used as reference point to reduce the complexity searching for potentialpoint of contacts. By using Axis-Aligned Bounding Box for each polygon, wecalculate a dynamic pivot point that will become our reference point todetermine the potential candidates for distance computation. The test ourfinding distance will be simplified by using our method instead of performingunneeded operations. Our method provides faster solution than the previousmethod where it helps to determine the point of contact efficiently and fasterthan the other method.

Efficient Distance Computation Algorithm between Nearly Intersected Objects Using Dynamic Pivot Point in Virtual Environment Application