Class for evaluating surfaces as triangles over time.
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#include <MDynSweptTriangle.h>
Class for evaluating surfaces as triangles over time.
MDynSweptTriangle provides access to surfaces (Nurbs and Polys) defined as triangles. It can only be accessed with the MFnDynSweptGeometryData class that is provided as an output from the geoConnector node.
The class provides parametric time evaluation for a triangle. Time is in the range 0 to 1, where 1 represents the current frame and 0 represents the previous frame. In this way you can get interpolated values of a triangle in motion.
- Examples:
- simpleFluidEmitter/simpleFluidEmitter.cpp, and sweptEmitter/sweptEmitter.cpp.
MVector vertex |
( |
int |
vertexId, |
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double |
t = 1.0 |
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) |
| |
Given a parametric time specified by 't', returns the normal of the triangle.
- Parameters
-
[in] | t | time value in the range 1.0 to 0.0
- t=1.0 is the current frame
- t=0.0 is the previous frame
|
- Returns
- A normalized vector
MVector normalToPoint |
( |
double |
x, |
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|
double |
y, |
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double |
z, |
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|
double |
t = 1.0 |
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) |
| |
Given a point, returns the normal of the triangle in the direction towards the point.
Determines which side of the triangle to return the normal.
- Parameters
-
[in] | x | x component of the point |
[in] | y | y component of the point |
[in] | z | z component of the point |
[in] | t | time value in the range 1.0 to 0.0
- t=1.0 is the current frame
- t=0.0 is the previous frame
|
- Returns
- A normalized vector
Given a vertex id, this method returns the UV point for the vertex as a MVector.
- Parameters
-
[in] | vertexId | Id of the vertex for retrieving the UV point. |
- Returns
- A vector. The u and v values are stored in the first two coordinates. The third coordinate is not meaningful.
- Examples:
- simpleFluidEmitter/simpleFluidEmitter.cpp.
const char * className |
( |
| ) |
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static |
Returns the name of this class.
- Returns
- The name of this class.
The documentation for this class was generated from the following files:
- MDynSweptTriangle.h
- MDynSweptTriangle.cpp