Moved PrecipitationParameters directly into PrecipitationEffect.

This commit is contained in:
Robert Osfield
2006-04-24 16:21:10 +00:00
parent 2e6532ccd3
commit 10f2feeac5
3 changed files with 208 additions and 200 deletions

View File

@@ -16,7 +16,6 @@
#include <osg/Group>
#include <osg/BoundingBox>
#include <osg/ClearNode>
#include <osg/Fog>
#include <osg/Geometry>
@@ -26,33 +25,6 @@
namespace osgParticle
{
struct OSGPARTICLE_EXPORT PrecipitationParameters : public osg::Referenced
{
PrecipitationParameters();
void rain (float intensity);
void snow(float intensity);
osg::Vec3 wind;
osg::BoundingBox boundingBox;
float particleVelocity;
float particleSize;
osg::Vec4 particleColour;
float particleDensity;
float cellSizeX;
float cellSizeY;
float cellSizeZ;
float nearTransition;
float farTransition;
float fogExponent;
float fogDensity;
float fogEnd;
osg::Vec4 fogColour;
osg::Vec4 clearColour;
bool useFarLineSegments;
};
class OSGPARTICLE_EXPORT PrecipitationEffect : public osg::Group
{
public:
@@ -66,12 +38,48 @@ namespace osgParticle
virtual void accept(osg::NodeVisitor& nv) { if (nv.validNodeMask(*this)) { nv.pushOntoNodePath(this); nv.apply(*this); nv.popFromNodePath(); } }
virtual void traverse(osg::NodeVisitor& nv);
/** Set all the parameters to create an rain effect of specified intensity.*/
void rain(float intensity);
/** Set all the parameters to create an rain effect of specified intensity.*/
void snow(float intensity);
void setParameters(PrecipitationParameters* parameters);
PrecipitationParameters* getParameters() { return _parameters.get(); }
void setIntensity(float intensity) { _intensity = intensity; }
float getIntensity() const { return _intensity; }
const PrecipitationParameters* getParameters() const { return _parameters.get(); }
void setMaximumParticleDensity(float density) { _maximumParticleDensity = density; }
float setMaximumParticleDensity() const { return _maximumParticleDensity; }
void setWind(const osg::Vec3& wind) { _wind = wind; }
const osg::Vec3& getWind() const { return _wind; }
void setPosition(const osg::Vec3& position) { _origin = position; }
const osg::Vec3& getPosition() const { return _origin; }
void setCellSize(const osg::Vec3& cellSize) { _cellSize = cellSize; }
const osg::Vec3& getCellSize() const { return _cellSize; }
void setParticleSpeed(float particleSpeed) { _particleSpeed = particleSpeed; }
float getParticleSpeed() const { return _particleSpeed; }
void setParticleSize(float particleSize) { _particleSize = particleSize; }
float getParticleSize() const { return _particleSize; }
void setParticleColor(const osg::Vec4& color) { _particleColor = color; }
const osg::Vec4& getParticleColor() const { return _particleColor; }
void setNearTransition(float nearTransition) { _nearTransition = nearTransition; }
float getNearTransition() const { return _nearTransition; }
void setFarTransition(float farTransition) { _farTransition = farTransition; }
float getFarTransition() const { return _farTransition; }
void setFog(osg::Fog* fog) { _fog = fog; }
osg::Fog* getFog() { return _fog.get(); }
const osg::Fog* getFog() const { return _fog.get(); }
void compileGLObjects(osg::State& state) const;
@@ -116,17 +124,6 @@ namespace osgParticle
Cell(int in_i, int in_j, int in_k):
i(in_i), j(in_j), k(in_k) {}
inline bool operator == (const Cell& rhs) const
{
return i==rhs.i && j==rhs.j && k==rhs.k;
}
inline bool operator != (const Cell& rhs) const
{
return i!=rhs.i || j!=rhs.j || k!=rhs.k;
}
inline bool operator < (const Cell& rhs) const
{
if (i<rhs.i) return true;
@@ -142,10 +139,20 @@ namespace osgParticle
int j;
int k;
};
struct DepthMatrixStartTime
{
inline bool operator < (const DepthMatrixStartTime& rhs) const
{
return depth < rhs.depth;
}
float depth;
float startTime;
osg::Matrix modelview;
};
typedef std::pair<osg::Matrix, float> MatrixStartTimePair;
typedef std::map< Cell, MatrixStartTimePair > CellMatrixMap;
typedef std::map< Cell, DepthMatrixStartTime > CellMatrixMap;
CellMatrixMap& getCurrentCellMatrixMap() { return _currentCellMatrixMap; }
CellMatrixMap& getPreviousCellMatrixMap() { return _previousCellMatrixMap; }
@@ -179,12 +186,19 @@ namespace osgParticle
void cull(PrecipitationDrawableSet& pds, osgUtil::CullVisitor* cv) const;
bool build(const osg::Vec3 eyeLocal, int i, int j, int k, float startTime, PrecipitationDrawableSet& pds, osg::Polytope& frustum, osgUtil::CullVisitor* cv) const;
osg::ref_ptr<PrecipitationParameters> _parameters;
// elements for the subgraph
osg::ref_ptr<osg::ClearNode> _clearNode;
osg::ref_ptr<osg::Fog> _fog;
// parameters
osg::BoundingBox _boundingBox;
float _intensity;
osg::Vec3 _wind;
float _particleSpeed;
float _particleSize;
osg::Vec4 _particleColor;
float _maximumParticleDensity;
osg::Vec3 _cellSize;
float _nearTransition;
float _farTransition;
bool _useFarLineSegments;
osg::ref_ptr<osg::Fog> _fog;
typedef std::pair< osg::NodeVisitor*, osg::NodePath > ViewIdenitifier;
typedef std::map< ViewIdenitifier, PrecipitationDrawableSet > ViewDrawableMap;
@@ -203,7 +217,7 @@ namespace osgParticle
osg::ref_ptr<osg::Geometry> _pointGeometry;
osg::ref_ptr<osg::StateSet> _pointStateSet;
// cache variables.
float _period;
osg::Vec3 _origin;
osg::Vec3 _du;