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- Update OsgBrake by IcyStar

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git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@6806 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 8c5723fbb9adcfdcdff353ace6d4da802c5d1e3c
Former-commit-id: f5d51d4e9466d7567016c33229e9fa32e3ab5e96
This commit is contained in:
torcs-ng 2020-01-12 17:09:34 +00:00
parent c01761491c
commit 0ebd6b6a12
2 changed files with 40 additions and 92 deletions
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127
src/modules/graphic/osggraph/Car/OsgBrake.cpp
View file

@ -18,9 +18,7 @@
***************************************************************************/
#include <osg/Geometry>
#include <osg/CullFace>
#include <osg/Material>
#include <osg/ShadeModel>
#include <osg/Geode>
#include <portability.h>
@ -37,32 +35,23 @@ osg::Node *SDBrakes::initBrake(int wheelIndex)
float alpha;
osg::Vec3 vtx;
osg::Vec4 clr;
osg::Vec3 nrm;
osg::Vec2 tex;
float b_offset = 0;
tdble curAngle = 0.0;
int i;
tdble tireWidth = car->_tireWidth(wheelIndex);
tdble brakeDiskRadius = car->_brakeDiskRadius(wheelIndex);
osg::Geode *pBrake = new osg::Geode;
pBrake->setName("Brake Assembly");
pBrake->setCullingActive(false);
osg::StateSet* stateSet = pBrake->getOrCreateStateSet();
osg::ShadeModel* shadeModel = new osg::ShadeModel;
shadeModel->setMode(osg::ShadeModel::SMOOTH);
stateSet->setAttributeAndModes(shadeModel);
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateSet->setMode(GL_FOG, osg::StateAttribute::ON);
stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::ON);
pBrake->setCullingActive(false);
osg::StateSet* stateSet = pBrake->getOrCreateStateSet();
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED);
stateSet->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
stateSet->setMode(GL_BLEND, osg::StateAttribute::OFF);
stateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::OFF);
osg::Material* material = new osg::Material;
stateSet->setAttribute(material);
int brakeBranch = 32;
float brakeAngle = 2.0 * SD_PI / (tdble)brakeBranch;
float brakeOffset = 0.1;
@ -71,26 +60,25 @@ osg::Node *SDBrakes::initBrake(int wheelIndex)
{
case FRNT_RGT:
curAngle = -(SD_PI / 2.0 + brakeAngle);
b_offset = brakeOffset - car->_tireWidth(wheelIndex) / 2.0;
b_offset = brakeOffset - tireWidth / 2.0;
break;
case FRNT_LFT:
curAngle = -(SD_PI / 2.0 + brakeAngle);
b_offset = car->_tireWidth(wheelIndex) / 2.0 - brakeOffset;
b_offset = tireWidth / 2.0 - brakeOffset;
break;
case REAR_RGT:
curAngle = (SD_PI / 2.0 - brakeAngle);
b_offset = brakeOffset - car->_tireWidth(wheelIndex) / 2.0;
b_offset = brakeOffset - tireWidth / 2.0;
break;
case REAR_LFT:
curAngle = (SD_PI / 2.0 - brakeAngle);
b_offset = car->_tireWidth(wheelIndex) / 2.0 - brakeOffset;
b_offset = tireWidth / 2.0 - brakeOffset;
break;
}
/* hub */
osg::Vec3Array *hub_vtx = new osg::Vec3Array();
osg::Vec4Array *hub_clr = new osg::Vec4Array();
osg::Vec3Array *hub_nrm = new osg::Vec3Array();
tdble hubRadius;
@ -99,7 +87,7 @@ osg::Node *SDBrakes::initBrake(int wheelIndex)
vtx[1] = b_offset;
hub_vtx->push_back(vtx);
hubRadius = car->_brakeDiskRadius(wheelIndex) * 0.6;
hubRadius = brakeDiskRadius * 0.6;
for (i = 0; i < brakeBranch; i++)
{
alpha = (float)i * 2.0 * SD_PI / (float)(brakeBranch - 1);
@ -112,111 +100,72 @@ osg::Node *SDBrakes::initBrake(int wheelIndex)
clr[0] = clr[1] = clr[2] = 0.0;
clr[3] = 1.0;
hub_clr->push_back(clr);
nrm[0] = nrm[2] = 0.0;
// Make normal point outside to have proper lighting.
switch(wheelIndex)
{
case FRNT_RGT:
case REAR_RGT:
nrm[1] = -1.0;
break;
case FRNT_LFT:
case REAR_LFT:
nrm[1] = 1.0;
break;
}
hub_nrm->push_back(nrm);
osg::Geometry *pHub = new osg::Geometry;
pHub->setName("Hub");
pHub->addPrimitiveSet( new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_FAN, 0, brakeBranch+1 ));
pHub->setVertexArray(hub_vtx);
pHub->setColorArray(hub_clr);
pHub->setNormalArray(hub_nrm);
pHub->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
pHub->setNormalBinding(osg::Geometry::BIND_OFF);
pHub->setColorArray(hub_clr, osg::Array::BIND_OVERALL);
pHub->addPrimitiveSet( new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_FAN, 0, hub_vtx->size()) );
pBrake->addDrawable(pHub);
/* Brake disk */
osg::Vec3Array *brk_vtx = new osg::Vec3Array();
brk_clr = new osg::Vec4Array();
osg::Vec3Array *brk_nrm = new osg::Vec3Array();
osg::Vec4Array *brk_clr = new osg::Vec4Array();
for (i = 0; i < (brakeBranch / 2 + 2); i++)
{
alpha = curAngle + (float)i * 2.0 * M_PI / (float)(brakeBranch - 1);
vtx[0] = car->_brakeDiskRadius(wheelIndex) * cos(alpha);
vtx[0] = brakeDiskRadius * cos(alpha);
vtx[1] = b_offset;
vtx[2] = car->_brakeDiskRadius(wheelIndex) * sin(alpha);
vtx[2] = brakeDiskRadius * sin(alpha);
brk_vtx->push_back(vtx);
vtx[0] = car->_brakeDiskRadius(wheelIndex) * cos(alpha) * 0.6;
vtx[0] = brakeDiskRadius * cos(alpha) * 0.6;
vtx[1] = b_offset;
vtx[2] = car->_brakeDiskRadius(wheelIndex) * sin(alpha) * 0.6;
vtx[2] = brakeDiskRadius * sin(alpha) * 0.6;
brk_vtx->push_back(vtx);
}
clr[0] = clr[1] = clr[2] = 0.1;
clr[3] = 1.0;
brk_clr->push_back(clr);
brk_nrm->push_back(nrm);
osg::Geometry *pBDisc = new osg::Geometry;
pBDisc->setName("Disc Brake");
pBDisc->addPrimitiveSet( new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_STRIP, 0, brakeBranch+4 ));
pBDisc->setUseDisplayList(false);
pBDisc->setVertexArray(brk_vtx);
pBDisc->setColorArray(brk_clr.get());
pBDisc->setNormalArray(brk_nrm);
pBDisc->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
pBDisc->setNormalBinding(osg::Geometry::BIND_OFF);
pBDisc->setColorArray(brk_clr, osg::Array::BIND_OVERALL);
pBDisc->addPrimitiveSet( new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_STRIP, 0, brk_vtx->size()) );
pBrake->addDrawable(pBDisc);
this->brake_disks[wheelIndex] = pBDisc;
brake_colors[wheelIndex] = brk_clr;
/* Brake caliper */
osg::Vec3Array *cal_vtx = new osg::Vec3Array();
osg::Vec4Array *cal_clr = new osg::Vec4Array();
osg::Vec3Array *cal_nrm = new osg::Vec3Array();
for (i = 0; i < (brakeBranch / 2 - 2); i++)
{
alpha = - curAngle + (float)i * 2.0 * SD_PI / (float)(brakeBranch - 1);
vtx[0] = (car->_brakeDiskRadius(wheelIndex) + 0.02) * cos(alpha);
vtx[0] = (brakeDiskRadius + 0.02) * cos(alpha);
vtx[1] = b_offset;
vtx[2] = (car->_brakeDiskRadius(wheelIndex) + 0.02) * sin(alpha);
vtx[2] = (brakeDiskRadius + 0.02) * sin(alpha);
cal_vtx->push_back(vtx);
vtx[0] = car->_brakeDiskRadius(wheelIndex) * cos(alpha) * 0.6;
vtx[0] = brakeDiskRadius * cos(alpha) * 0.6;
vtx[1] = b_offset;
vtx[2] = car->_brakeDiskRadius(wheelIndex) * sin(alpha) * 0.6;
vtx[2] = brakeDiskRadius * sin(alpha) * 0.6;
cal_vtx->push_back(vtx);
}
clr[0] = 0.2;
clr[1] = 0.2;
clr[2] = 0.2;
clr[0] = clr[1] = clr[2] = 0.2;
clr[3] = 1.0;
cal_clr->push_back(clr);
cal_nrm->push_back(nrm);
osg::Geometry *pCaliper = new osg::Geometry;
pCaliper->setName("Caliper");
pCaliper->addPrimitiveSet( new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_STRIP, 0, brakeBranch-4 ));
pCaliper->setVertexArray(cal_vtx);
pCaliper->setColorArray(cal_clr);
pCaliper->setNormalArray(cal_nrm);
pCaliper->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
pCaliper->setNormalBinding(osg::Geometry::BIND_OFF);
pCaliper->setColorArray(cal_clr, osg::Array::BIND_OVERALL);
pCaliper->addPrimitiveSet( new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_STRIP, 0, cal_vtx->size()) );
pBrake->addDrawable(pCaliper);
@ -224,19 +173,19 @@ osg::Node *SDBrakes::initBrake(int wheelIndex)
}
void SDBrakes::updateBrakes()
{ // TODO clean unused memory ... free pointers if needed
{
for(int i=0; i<4; i++)
{
osg::Vec4 clr;
tdble temp = car->_brakeTemp(i);
clr[0] = 0.1 + car->_brakeTemp(i) * 1.5;
clr[1] = 0.1 + car->_brakeTemp(i) * 0.3;
clr[2] = 0.1 - car->_brakeTemp(i) * 0.3;
clr[0] = 0.1 + temp * 1.5;
clr[1] = 0.1 + temp * 0.3;
clr[2] = 0.1 - temp * 0.3;
clr[3] = 1.0;
(*brk_clr)[0] = clr;
brk_clr->dirty();
(*brake_colors[i])[0] = clr;
brake_colors[i]->dirty();
this->brake_disks[i]->setColorArray(brk_clr.get(), osg::Array::BIND_PER_VERTEX);
//GfLogInfo("brake temp %i = %f\n", i, car->_brakeTemp(i) );
//GfLogInfo("brake temp %i = %f\n", i, temp);
}
}

5
src/modules/graphic/osggraph/Car/OsgBrake.h
View file

@ -20,15 +20,14 @@
#ifndef _OSGBRAKE_H_
#define _OSGBRAKE_H_
#include <osg/Geode>
#include <osg/Geometry>
#include <car.h>
class SDBrakes
{
private :
tCarElt *car;
osg::ref_ptr<osg::Geometry> brake_disks[4];
osg::ref_ptr<osg::Vec4Array> brk_clr;
osg::ref_ptr<osg::Vec4Array> brake_colors[4];
public :
void setCar(tCarElt * car);