Difference between revisions of "NewtonTreeCollisionGetVertexListTriangleListInAABB"
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== Return == | == Return == | ||
| − | * int | + | * int - number of faces |
| + | * vertexStrideInBytes - gets filled with a value telling you the stride between vertexarray vertices (12 bytes) | ||
| + | * vertexArray - here you receive a pointer to array of vertexes in newton memory (data is not copied to your buffer, here you receive pointer to newton's data) | ||
| + | * faceAttribute and indexList get filled with data constructing the faces, returned geometry is always returned as triangles (3 indexes per face, and 1 faceattribute per face). | ||
== Description == | == Description == | ||
* indexList should be a list 3 * maxIndexCount the number of elements. | * indexList should be a list 3 * maxIndexCount the number of elements. | ||
* faceAttributet should be a list maxIndexCount the number of elements. | * faceAttributet should be a list maxIndexCount the number of elements. | ||
| − | * this function could be used by the application for many purposes. | + | * this function could be used by the application for many purposes. For example it can be used to draw the collision geometry intersecting a collision primitive instead of drawing the entire collision tree in debug mode. Another use for this function is to to efficient draw projective texture shadows. |
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== See also == | == See also == | ||
Revision as of 07:55, 13 April 2020
Contents
NewtonTreeCollisionGetVertexListTriangleListInAABB
int NewtonTreeCollisionGetVertexListTriangleListInAABB (const NewtonCollision* const treeCollision, const dFloat* const p0, const dFloat* const p1, const dFloat** const vertexArray, int* const vertexCount, int* const vertexStrideInBytes, const int* const indexList, int maxIndexCount, const int* const faceAttribute)
Usage
collect the vertex list index list mesh intersecting the AABB in collision mesh.
Parameters
- const NewtonCollision* const treeCollision
- const dFloat* const p0
- const dFloat* const p1
- const dFloat** const vertexArray
- int* const vertexCount
- int* const vertexStrideInBytes
- const int* const indexList
- int maxIndexCount
- const int* const faceAttribute
Return
- int - number of faces
- vertexStrideInBytes - gets filled with a value telling you the stride between vertexarray vertices (12 bytes)
- vertexArray - here you receive a pointer to array of vertexes in newton memory (data is not copied to your buffer, here you receive pointer to newton's data)
- faceAttribute and indexList get filled with data constructing the faces, returned geometry is always returned as triangles (3 indexes per face, and 1 faceattribute per face).
Description
- indexList should be a list 3 * maxIndexCount the number of elements.
- faceAttributet should be a list maxIndexCount the number of elements.
- this function could be used by the application for many purposes. For example it can be used to draw the collision geometry intersecting a collision primitive instead of drawing the entire collision tree in debug mode. Another use for this function is to to efficient draw projective texture shadows.
