From 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 Mon Sep 17 00:00:00 2001
From: git perforce import user <a@b>
Date: Tue, 25 Oct 2016 12:29:14 -0600
Subject: Initial commit: PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @
 21275617

[CL 21300167]
---
 .../samples/sampleViewer3/SampleViewerScene.cpp    | 106 +++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 KaplaDemo/samples/sampleViewer3/SampleViewerScene.cpp

(limited to 'KaplaDemo/samples/sampleViewer3/SampleViewerScene.cpp')

diff --git a/KaplaDemo/samples/sampleViewer3/SampleViewerScene.cpp b/KaplaDemo/samples/sampleViewer3/SampleViewerScene.cpp
new file mode 100644
index 00000000..0f95ae24
--- /dev/null
+++ b/KaplaDemo/samples/sampleViewer3/SampleViewerScene.cpp
@@ -0,0 +1,106 @@
+#include "SampleViewerScene.h"
+#include "PxMaterial.h"
+#include "ShaderShadow.h"
+
+#include <windows.h>
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GL/glut.h>
+
+
+#ifdef USE_OPTIX
+	SampleViewerScene::RenderType SampleViewerScene::mRenderType = SampleViewerScene::rtOPTIX;
+#else
+	SampleViewerScene::RenderType SampleViewerScene::mRenderType = SampleViewerScene::rtOPENGL;
+#endif	
+
+OptixRenderer *SampleViewerScene::mOptixRenderer = NULL;
+
+bool SampleViewerScene::mBenchmark = false;
+
+//-----------------------------------------------------------------------------
+SampleViewerScene::SampleViewerScene(PxPhysics* pxPhysics, PxCooking *pxCooking, bool isGrb,
+		Shader *defaultShader, const char *resourcePath, float slowMotionFactor)
+{
+	mPxPhysics = pxPhysics;
+	mPxCooking = pxCooking;
+	mCameraPos = PxVec3(0.0f, 20.0f, 10.0f);
+	mCameraDir = PxVec3(0.0f, 0.0f, 1.0f);
+    mCameraUp = PxVec3(0.0f, 1.0f, 0.0f);
+    mCameraFov = 40.f;
+	mDefaultShader = defaultShader;
+	//printf("hhh = %s\n", resourcePath);
+	mResourcePath = resourcePath;
+	mSlowMotionFactor = slowMotionFactor;
+	mDefaultMaterial = pxPhysics->createMaterial(0.5f, 0.5f, 0.0f);
+	mCameraDisable = false;
+}
+
+//-----------------------------------------------------------------------------
+SampleViewerScene::~SampleViewerScene()
+{
+	for (int i = 0; i < (int)mShaders.size(); i++)
+		delete mShaders[i];
+	mShaders.clear();
+}
+	
+// ----------------------------------------------------------------------------------------------
+void SampleViewerScene::getMouseRay(int xi, int yi, PxVec3 &orig, PxVec3 &dir)
+{
+	GLint viewPort[4];
+	GLdouble modelMatrix[16];
+	GLdouble projMatrix[16];
+	glGetIntegerv(GL_VIEWPORT, viewPort);
+	glGetDoublev(GL_MODELVIEW_MATRIX, modelMatrix);
+	glGetDoublev(GL_PROJECTION_MATRIX, projMatrix);
+
+	yi = viewPort[3] - yi - 1;
+	GLdouble x,y,z;
+	gluUnProject((GLdouble) xi, (GLdouble) yi, 0.0f,
+		modelMatrix, projMatrix, viewPort, &x, &y, &z);
+	orig = PxVec3((float)x, (float)y, (float)z);
+	gluUnProject((GLdouble) xi, (GLdouble) yi, 1.0f,
+		modelMatrix, projMatrix, viewPort, &x, &y, &z);
+	dir = PxVec3((float)x, (float)y, (float)z);
+	dir = dir - orig;
+	dir.normalize();
+	orig -= dir * 100.0f;	// to catch ray casts
+}
+
+// ----------------------------------------------------------------------------------------------
+void SampleViewerScene::setMaterial(float restitution, float staticFriction, float dynamicFriction)
+{
+	mDefaultMaterial->setRestitution(restitution);
+	mDefaultMaterial->setStaticFriction(staticFriction);
+	mDefaultMaterial->setDynamicFriction(dynamicFriction);
+}
+
+// ----------------------------------------------------------------------------------------------
+void SampleViewerScene::render(bool useShader)
+{
+#ifdef USE_OPTIX
+	if (mRenderType == rtOPTIX && mOptixRenderer == NULL)
+		mOptixRenderer = new OptixRenderer( getRendererOptions() );
+#endif
+}
+
+// ----------------------------------------------------------------------------------------------
+void SampleViewerScene::cleanupStaticResources()
+{
+#ifdef USE_OPTIX
+	if( mOptixRenderer ) {
+		OptixRenderer* ren = mOptixRenderer;
+		mOptixRenderer = 0;
+		delete ren;
+	}
+#endif
+}
+
+// ----------------------------------------------------------------------------------------------
+std::string SampleViewerScene::mRendererOptions;
+
+void SampleViewerScene::setRendererOptions( const char* text )
+{
+	if( text )  mRendererOptions = text;
+	else        mRendererOptions.clear();
+}
-- 
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