FGFS-4.1/OpenSceneGraph
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Standardised the bin number of the particle effects

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This commit is contained in:
Robert Osfield
2006-04-17 19:10:06 +00:00
parent fb35d02c33
commit 832c22fe9e
2 changed files with 13 additions and 10 deletions
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19
examples/osgprecipitation/osgprecipitation.cpp
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@@ -25,6 +25,8 @@
#include <osg/PointSprite>
#include <osg/io_utils>
#define USE_LOCAL_SHADERS 1
float random(float min,float max) { return min + (max-min)*(float)rand()/(float)RAND_MAX; }
struct PrecipatationParameters : public osg::Referenced
@@ -436,6 +438,8 @@ static osg::ref_ptr<osg::StateSet> point_stateset = 0;
void setUpGeometries(unsigned int numParticles)
{
unsigned int renderBin = 11;
{
quad_geometry = new osg::Geometry;
quad_geometry->setUseVertexBufferObjects(true);
@@ -443,9 +447,9 @@ void setUpGeometries(unsigned int numParticles)
quad_stateset = new osg::StateSet;
osg::Program* program = new osg::Program;
quad_stateset->setAttribute(program);
quad_stateset->setRenderBinDetails(13,"DepthSortedBin");
quad_stateset->setRenderBinDetails(renderBin,"DepthSortedBin");
#if 1
#ifdef USE_LOCAL_SHADERS
char vertexShaderSource[] =
"uniform vec3 dv_i;\n"
"uniform vec3 dv_j;\n"
@@ -522,9 +526,9 @@ void setUpGeometries(unsigned int numParticles)
osg::Program* program = new osg::Program;
line_stateset->setAttribute(program);
line_stateset->setRenderBinDetails(12,"DepthSortedBin");
line_stateset->setRenderBinDetails(renderBin,"DepthSortedBin");
#if 1
#ifdef USE_LOCAL_SHADERS
char vertexShaderSource[] =
"uniform vec3 dv_i;\n"
"uniform vec3 dv_j;\n"
@@ -600,7 +604,7 @@ void setUpGeometries(unsigned int numParticles)
osg::Program* program = new osg::Program;
point_stateset->setAttribute(program);
#if 1
#ifdef USE_LOCAL_SHADERS
char vertexShaderSource[] =
"uniform vec3 dv_i;\n"
"uniform vec3 dv_j;\n"
@@ -628,8 +632,7 @@ void setUpGeometries(unsigned int numParticles)
"\n"
" gl_Position = gl_ModelViewProjectionMatrix * vec4(v_current,1.0);\n"
"\n"
" //float pointSize = min(abs(1280*particleSize / gl_Position.w), 20.0);\n"
" float pointSize = abs(1280*particleSize / gl_Position.w);\n"
" float pointSize = abs(1280.0*particleSize / gl_Position.w);\n"
" //gl_PointSize = max(ceil(pointSize),2);\n"
" gl_PointSize = ceil(pointSize);\n"
" \n"
@@ -659,7 +662,7 @@ void setUpGeometries(unsigned int numParticles)
point_stateset->setTextureAttributeAndModes(0, sprite, osg::StateAttribute::ON);
point_stateset->setMode(GL_VERTEX_PROGRAM_POINT_SIZE, osg::StateAttribute::ON);
point_stateset->setRenderBinDetails(11,"DepthSortedBin");
point_stateset->setRenderBinDetails(renderBin,"DepthSortedBin");
}
createGeometry(numParticles, quad_geometry.get(), line_geometry.get(), point_geometry.get());

4
examples/osgprecipitation/point_rain.vert
View File

@@ -24,8 +24,8 @@ void main(void)
gl_Position = gl_ModelViewProjectionMatrix * vec4(v_current,1.0);
//float pointSize = min(abs(1280*particleSize / gl_Position.w), 20.0);
float pointSize = abs(1280*particleSize / gl_Position.w);
float pointSize = abs(1280.0*particleSize / gl_Position.w);
//gl_PointSize = max(ceil(pointSize),2);
gl_PointSize = ceil(pointSize);