--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicstest/uibench/s60/src/model.cpp Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,262 @@
+// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+
+#include "model.h"
+#include "geometrystructs.h"
+#include "egldefs.h"
+#include "eglerror.h"
+
+#include <e32math.h>
+
+
+const TInt KMoonPositionCount = 100;
+const TInt KSunPositionCount = 100;
+
+const TInt KSunOrbitRadius = 2000; //heliocentric
+const TInt KMoonOrbitRadius = 100;
+const TInt KModelDistanceFromCamera = 200;
+
+const TInt KMinResolution = 5;
+const TInt KMaxResolution = 50;
+const TInt KDefaultResolution = 50;
+
+const TInt KSunRadius=100;
+const TInt KPlanetRadius=50;
+const TInt KMoonRadius = 10;
+
+_LIT(KRed, "red");
+_LIT(KGreen, "green");
+_LIT(KBlue, "blue");
+_LIT(KBlack, "black");
+
+
+CModel* CModel::NewL(EGLDisplay aDisplay, EGLSurface aSurface)
+ {
+ TPtrC defaultColor(KBlack);
+ return NewL(aDisplay, aSurface, defaultColor);
+ }
+
+CModel* CModel::NewL(EGLDisplay aDisplay, EGLSurface aSurface, TPtrC aBackgroundColor)
+ {
+ CModel* self = new(ELeave) CModel(aDisplay, aSurface);
+ CleanupStack::PushL(self);
+ self->ConstructL(aBackgroundColor);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+void CModel::PrecalculateOrbitL(TInt aOrbitingDistance, RArray<Vertex3F>& aVertices, TInt aPositionCount, TReal aAngle)
+ {
+ //fghCircleTable allocates for sin and cos tables,
+ //so we must not fail to append vertices to the array,
+ //so we must reserve all the space we need.
+ aVertices.ReserveL(aPositionCount);
+ //precalculate the positions of the sun
+ TReal32 *sint1,*cost1;
+ User::LeaveIfError(fghCircleTable(&sint1,&cost1, aPositionCount));
+
+ TReal radians = aAngle*(KPi/180);
+ TReal32 cosA = cos(radians);
+ TReal32 sinA = sin(radians);
+
+ TReal32 x,y = 0;
+ TReal32 cosCalc = aOrbitingDistance * cosA;
+ TReal32 sinCalc = aOrbitingDistance * sinA;
+ for(TInt i = 0; i < aPositionCount; i++)
+ {
+ x = cost1[i] * cosCalc;
+ y = cost1[i] * sinCalc;
+
+ Vertex3F v(x,y, sint1[i]*aOrbitingDistance);
+ User::LeaveIfError(aVertices.Append(v));
+ }
+ delete[] sint1;
+ delete[] cost1;
+ }
+
+void CModel::ConstructL(TPtrC aBackgroundColor)
+ {
+ iResolution=KDefaultResolution;
+
+ CSolidSphere* newSun = CSolidSphere::NewLC(KSunRadius, iResolution, iResolution);
+ CSolidSphere* newPlanet = CSolidSphere::NewLC(KPlanetRadius, iResolution, iResolution);
+ CSolidSphere* newMoon = CSolidSphere::NewLC(KMoonRadius, iResolution, iResolution);
+ SetShapes(newSun, newPlanet, newMoon);
+ CleanupStack::Pop(3, newSun);
+
+ PrecalculateOrbitL(KSunOrbitRadius, iSunPositions, KSunPositionCount, 135);
+ PrecalculateOrbitL(KMoonOrbitRadius, iMoonPositions, KMoonPositionCount, 23.5);
+ if(aBackgroundColor == KRed)
+ {
+ iBackgroundColor[ERed] = 0.5;
+ }
+ else if (aBackgroundColor == KGreen)
+ {
+ iBackgroundColor[EGreen] = 0.5;
+ }
+ else if (aBackgroundColor == KBlue)
+ {
+ iBackgroundColor[EBlue] = 0.5;
+ }
+ }
+
+CModel::CModel(EGLDisplay aDisplay, EGLSurface aSurface)
+ :iDisplay(aDisplay), iSurface(aSurface)
+ {
+ }
+
+CModel::~CModel()
+ {
+ delete iSun;
+ delete iPlanet;
+ delete iMoon;
+ iSunPositions.Close();
+ iMoonPositions.Close();
+ }
+
+void CModel::SetShapes(CSolidSphere* aSun, CSolidSphere* aPlanet, CSolidSphere* aMoon)
+ {
+ delete iSun;
+ iSun = aSun;
+
+ delete iPlanet;
+ iPlanet = aPlanet;
+
+ delete iMoon;
+ iMoon = aMoon;
+ }
+
+void CModel::DrawToBuffer(TInt aTime) const
+ {
+ InitialiseFrame();
+ DrawModelData(aTime);
+ }
+
+void CModel::InitialiseFrame() const
+ {
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_COLOR_ARRAY);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+
+ glClearColor(iBackgroundColor[ERed], iBackgroundColor[EGreen], iBackgroundColor[EBlue], iBackgroundColor[EAlpha]);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glCullFace(GL_FRONT);
+ glShadeModel (GL_SMOOTH);
+
+ // Set the projection parameters
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+ EGLint height;
+ if(!eglQuerySurface(iDisplay, iSurface, EGL_HEIGHT, &height))
+ {
+ ProcessEglError();
+ }
+ EGLint width;
+ if(!eglQuerySurface(iDisplay, iSurface, EGL_WIDTH, &width))
+ {
+ ProcessEglError();
+ }
+
+ GLfloat widthf = width;
+ GLfloat heightf = height;
+ GLfloat aspectRatio = widthf/heightf;
+ glFrustumf( -(aspectRatio*KFrustumHeight), (aspectRatio*KFrustumHeight),
+ -KFrustumHeight, KFrustumHeight,
+ KFrustumNear, KFrustumFar);
+ }
+
+void CModel::DrawModelData(TInt aTime) const
+ {
+ //draw a light source where the sun is
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ GLfloat sun_color[] = { 1.0, 1.0, 0.5333, 1 };
+ Vertex3F vSun = iSunPositions[aTime%KSunPositionCount];
+ vSun.iZ-=KModelDistanceFromCamera;
+ GLfloat light0position[] = {vSun.iX, vSun.iY, vSun.iZ, 1.0 };
+ glLightfv(GL_LIGHT0, GL_POSITION, light0position);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, sun_color);
+
+ //draw the sun
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ //this is obviously wrong: I don't understand why the z-coord for the
+ //sun needs to be the negation of the z-coord for the light source position,
+ //in order for the light to appear to come from the sun!
+ glTranslatef(vSun.iX, vSun.iY, -vSun.iZ);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, sun_color);
+
+ iSun->Draw();
+ //draw the planet
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0, 0, -KModelDistanceFromCamera);
+
+ GLfloat mat_planet_color[] = { 0.459, 0.679, 0.8, 1 };
+ GLfloat mat_planet_shininess[] = { 30.0 };
+ GLfloat mat_no_emission[] = {0, 0, 0, 0};
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_planet_color);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_planet_color);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_planet_color);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_planet_shininess);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, mat_no_emission);
+ iPlanet->Draw();
+
+ //draw the moon
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ Vertex3F vMoon = iMoonPositions[aTime%KMoonPositionCount];
+ vMoon.iZ-=KModelDistanceFromCamera;
+ glTranslatef(vMoon.iX, vMoon.iY, vMoon.iZ);
+
+ GLfloat mat_moon_specular[] = { 0.5, 0.5, 0.5, 1.0 };
+ GLfloat mat_moon_shininess[] = { 500.0 };
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_moon_specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_moon_specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_moon_specular);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_moon_shininess);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, mat_no_emission);
+
+ iMoon->Draw();
+ }
+
+void CModel::SetResolutionL(TInt aResolution)
+ {
+ aResolution *= 5;
+ if(aResolution > KMaxResolution)
+ {
+ aResolution = KMaxResolution;
+ }
+ if(aResolution < KMinResolution)
+ {
+ aResolution = KMinResolution;
+ }
+ iResolution = aResolution;
+ CSolidSphere* newSun = CSolidSphere::NewLC(KSunRadius, iResolution, iResolution);
+ CSolidSphere* newPlanet = CSolidSphere::NewLC(KPlanetRadius, iResolution, iResolution);
+ CSolidSphere* newMoon = CSolidSphere::NewLC(KMoonRadius, iResolution, iResolution);
+ SetShapes(newSun, newPlanet, newMoon);
+ CleanupStack::Pop(3, newSun);
+ }
+