Collision Sample

Description

This sample implements collision detection for triangles and oriented-bounding boxes.

Sample Overview

This sample implements collision detection for triangles and oriented-bounding boxes. It renders a scene that demonstrates collision detection for both of these shapes and the XNA Framework's built-in geometric primitives.

Sample Controls

This sample uses the following controls:

Action	Keyboard control	Gamepad control	Touch control
Pause	Space	X button
Single-step while paused	Left square brackets and right square brackets
Rotate the camera	Arrow keys	Right thumb stick	Drag
Move camera nearer/farther from target	Plus/minus keys	Triggers	Pinch
Move to next group of objects	G	A button	Tap
Switch between perspective and orthographic cameras	P and O	B button
Exit	ESC or ALT+F4	BACK	BACK

How the Sample Works

The sample creates and animates instances of each XNA geometric primitive (Plane, Sphere, Ray, BoundingBox, BoundingFrustum), as well as two additional primitives defined in this sample: OrientedBoundingBox and Triangle. It tests pairs of objects with Contains or Intersects, so each combination of shapes is represented at least once. Contained, intersecting, and disjoint objects are drawn in different colors to illustrate the results of the tests.