bigscene-cpp: use QPhongMaterial which reduces code size

Change-Id: I18beff0430a13f40112adf1c026949a59774e0ee
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 6 insertions, 28 deletions

diff --git a/examples/bigscene-cpp/main.cpp b/examples/bigscene-cpp/main.cpp
index 7050b3dc1..1c5b440d8 100644
--- a/examples/bigscene-cpp/main.cpp
+++ b/examples/bigscene-cpp/main.cpp
@@ -64,6 +64,7 @@
 #include <Qt3DRenderer/QCameraSelector>
 #include <Qt3DRenderer/QTechniqueFilter>
 #include <Qt3DRenderer/QOpenGLFilter>
+#include <Qt3DRenderer/QPhongMaterial>
 #include <qmath.h>
 
 using namespace Qt3D;
@@ -103,26 +104,6 @@ int main(int ac, char **av)
     frameGraph->setActiveFrameGraph(techniqueFilter);
     root->addComponent(frameGraph);
 
-    QShaderProgram *shader = new QShaderProgram();
-    shader->setVertexShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/diffuse.vert"))));
-    shader->setFragmentShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/diffuse.frag"))));
-
-    QRenderPass *renderPass = new QRenderPass();
-    renderPass->setShaderProgram(shader);
-
-    QTechnique *technique = new QTechnique();
-    technique->openGLFilter()->setApi(Qt3D::QOpenGLFilter::Desktop);
-    technique->openGLFilter()->setMajorVersion(3);
-    technique->openGLFilter()->setMinorVersion(1);
-    technique->openGLFilter()->setProfile(Qt3D::QOpenGLFilter::Core);
-    technique->addPass(renderPass);
-
-    QEffect *effect = new QEffect();
-    QParameter* lightPos = new QParameter(QStringLiteral("lightPosition"), QVector4D(10.0f, 10.0f, 0.0f, 1.0f));
-    QParameter* lightIntensity = new QParameter(QStringLiteral("lightIntensity"), QVector3D(0.5f, 0.5f, 0.5f));
-    effect->addParameter(lightPos);
-    effect->addParameter(lightIntensity);
-    effect->addTechnique(technique);
 
     const float radius = 100.0f;
     const int max = 1000;
@@ -135,8 +116,7 @@ int main(int ac, char **av)
         QRotateTransform *rotateX = new QRotateTransform();
         QRotateTransform *rotateZ = new QRotateTransform();
         QCylinderMesh *mesh = new QCylinderMesh();
-        QMaterial *material = new QMaterial();
-
+        QPhongMaterial *material = new QPhongMaterial();
         mesh->setRings(50.0f);
         mesh->setSlices(30.0f);
         mesh->setRadius(2.5f);
@@ -144,12 +124,10 @@ int main(int ac, char **av)
 
         const float angle = M_PI * 2.0f * i * det * 10.;
 
-        QParameter *diffuseColorParameter = new QParameter(QStringLiteral("kd"), QVector3D(cosf(angle), 0.3f, sinf(angle)));
-        QParameter* ambientColorParameter = new QParameter(QStringLiteral("ka"), QVector3D(cosf(angle), sinf(angle), 0.5f));
-
-        material->setEffect(effect);
-        material->addParameter(diffuseColorParameter);
-        material->addParameter(ambientColorParameter);
+        material->setDiffuse(QColor(fabs(cosf(angle)) * 255, 204, 75));
+        material->setAmbient(Qt::gray);
+        material->setSpecular(Qt::white);
+        material->setShininess(150.0f);
 
         translation->setTranslation(QVector3D(radius * cos(angle), 200.* i * det, radius * sin(angle)));
         rotateX->setAxis(QVector3D(1.0f, 0.0f, 0.0f));