Collision Namespace Reference

Contains Collision detection functions for use within the code. More...

Functions
bool	rectRectIntersect (Vec2 posBoxA, Vec2 dimBoxA, Vec2 posBoxB, Vec2 dimBoxB)
	Checks to see if two rectangles intersect. More...
bool	cubeCubeIntersect (Vec3 posBoxA, Vec3 dimBoxA, Vec3 posBoxB, Vec3 dimBoxB)
	Checks to see if two cubes intersect (position is the center of the cube) More...
bool	cubeCubeIntersect (Vec3 posBoxA, Vec3 dimBoxA, Vec3 posBoxB, Vec3 dimBoxB, Vec3 &collisionSides)
	Checks to see if two cubes intersect (position is the center of the cube) More...
bool	sphereCubeIntersect (Vec3 posBox, Vec3 dimBox, Vec3 posSphere, float radSphere)
	Checks to see if a cube and sphere intersects (position is the center of the cube) More...
bool	sphereCubeIntersect (Vec3 posBox, Vec3 dimBox, Vec3 posSphere, float radSphere, Vec3 &collisionSides)
	Checks to see if a cube and sphere intersects (position is the center of the cube) More...
bool	circleCircleIntersect (Vec2 circle1Pos, Vec2 circle2Pos, float circle1Rad, float circle2Rad)
	Takes in two circle positions, radius's to detect if the circles collide. More...
bool	sphereSphereIntersect (Vec3 sphere1Pos, Vec3 sphere2Pos, float sphere1Rad, float sphere2Rad)
	Takes in two sphere positions and radius's and uses this to detect if the sphere's collide. More...
bool	sphereSphereIntersect (Vec3 sphere1Pos, Vec3 sphere2Pos, float sphere1Rad, float sphere2Rad, Vec3 &vel1, Vec3 &vel2)
	Takes in two sphere positions and radius's and uses this to detect if the sphere's collide. More...
bool	circleRectIntersect (Vec2 circlePos, Vec2 boxPos, float circleRad, Vec2 boxDim)
	Takes in a circle position and radius and a box position and dimensions to detect for collision. More...

Detailed Description

Contains Collision detection functions for use within the code.

Function Documentation

circleCircleIntersect()

bool Collision::circleCircleIntersect	(	Vec2	circle1Pos,
		Vec2	circle2Pos,
		float	circle1Rad,
		float	circle2Rad
	)

Takes in two circle positions, radius's to detect if the circles collide.

Parameters

circle1Pos	The first circle position's to be used in the collision check.
circle2Pos	The second circle position's to be used in the collision check.
circle1Rad	The first circle radius's to be used in the collision check.
circle2Rad	The second circle radius's to be used in the collision check.

Returns

If the collision occurs.

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circleRectIntersect()

bool Collision::circleRectIntersect	(	Vec2	circlePos,
		Vec2	boxPos,
		float	circleRad,
		Vec2	boxDim
	)

Takes in a circle position and radius and a box position and dimensions to detect for collision.

Parameters

circlePos	The circle's position to be used in the collision check.
boxPos	The box's position to be used in the collision check.
circleRad	The sphere's radius to be used in the collision check.
boxDim	The box's dimension's to be used in the collision check.

Returns

If the collision occurs.

cubeCubeIntersect() [1/2]

bool Collision::cubeCubeIntersect	(	Vec3	posBoxA,
		Vec3	dimBoxA,
		Vec3	posBoxB,
		Vec3	dimBoxB
	)

Checks to see if two cubes intersect (position is the center of the cube)

Parameters

posBoxA	The position of the first cube.
dimBoxA	The dimensions of the first cube.
posBoxB	The position of the second cube.
dimBoxB	The dimensions of the second cube.

Returns

If the cubes intersect.

cubeCubeIntersect() [2/2]

bool Collision::cubeCubeIntersect	(	Vec3	posBoxA,
		Vec3	dimBoxA,
		Vec3	posBoxB,
		Vec3	dimBoxB,
		Vec3 &	collisionSides
	)

Checks to see if two cubes intersect (position is the center of the cube)

Parameters

posBoxA	The position of the first cube.
dimBoxA	The dimensions of the first cube.
posBoxB	The position of the second cube.
dimBoxB	The dimensions of the second cube.
collisionSides	A reference to the sides of the cubes that collides, eg. x = -1 then left, x = 0 then none, x = 1 then right

Returns

If the cubes intersect.

rectRectIntersect()

bool Collision::rectRectIntersect	(	Vec2	posBoxA,
		Vec2	dimBoxA,
		Vec2	posBoxB,
		Vec2	dimBoxB
	)

Checks to see if two rectangles intersect.

Parameters

posBoxA	The position of the first rectangle.
dimBoxA	The dimensions of the first rectangle.
posBoxB	The position of the second rectangle.
dimBoxB	The dimensions of the second rectangle.

Returns

If the rectangles intersect.

sphereCubeIntersect() [1/2]

bool Collision::sphereCubeIntersect	(	Vec3	posBox,
		Vec3	dimBox,
		Vec3	posSphere,
		float	radSphere
	)

Checks to see if a cube and sphere intersects (position is the center of the cube)

Parameters

posBox	The position of the cube.
dimBox	The dimensions of the cube.
posSphere	The position of the sphere.
radSphere	The radius of the sphere.

Returns

If the cubes intersect.

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sphereCubeIntersect() [2/2]

bool Collision::sphereCubeIntersect	(	Vec3	posBox,
		Vec3	dimBox,
		Vec3	posSphere,
		float	radSphere,
		Vec3 &	collisionSides
	)

Checks to see if a cube and sphere intersects (position is the center of the cube)

Parameters

posBox	The position of the cube.
dimBox	The dimensions of the cube.
posSphere	The position of the sphere.
radSphere	The radius of the sphere.
collisionSides	A reference to the sides of the cubes that collides, eg. x = -1 then left, x = 0 then none, x = 1 then right

Returns

If the cubes intersect.

sphereSphereIntersect() [1/2]

bool Collision::sphereSphereIntersect	(	Vec3	sphere1Pos,
		Vec3	sphere2Pos,
		float	sphere1Rad,
		float	sphere2Rad
	)

Takes in two sphere positions and radius's and uses this to detect if the sphere's collide.

Parameters

sphere1Pos	The first sphere position's to be used in the collision check.
sphere2Pos	The second sphere position's to be used in the collision check.
sphere1Rad	The first sphere radius's to be used in the collision check.
sphere2Rad	The second sphere radius's to be used in the collision check.

Returns

If the collision occurs.

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sphereSphereIntersect() [2/2]

bool Collision::sphereSphereIntersect	(	Vec3	sphere1Pos,
		Vec3	sphere2Pos,
		float	sphere1Rad,
		float	sphere2Rad,
		Vec3 &	vel1,
		Vec3 &	vel2
	)

Takes in two sphere positions and radius's and uses this to detect if the sphere's collide.

Parameters

sphere1Pos	The first sphere position's to be used in the collision check.
sphere2Pos	The second sphere position's to be used in the collision check.
sphere1Rad	The first sphere radius's to be used in the collision check.
sphere2Rad	The second sphere radius's to be used in the collision check.
vel1	A reference to the velocities of the 1st sphere.
vel2	A reference to the velocities of the 2nd sphere.

Returns

If the collision occurs.

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