Ejemplo n.º 1
0
void DebugRenderer::AddCylinder(const Vector3& position, float radius, float height, const Color& color, bool depthTest)
{
    Sphere sphere(position, radius);
    Vector3 heightVec(0, height, 0);
    Vector3 offsetXVec(radius, 0, 0);
    Vector3 offsetZVec(0, 0, radius);
    for (unsigned i = 0; i < 360; i += 45)
    {
        Vector3 p1 = PointOnSphere(sphere, i, 90);
        Vector3 p2 = PointOnSphere(sphere, i + 45, 90);
        AddLine(p1, p2, color, depthTest);
        AddLine(p1 + heightVec, p2 + heightVec, color, depthTest);
    }
    AddLine(position + offsetXVec, position + heightVec + offsetXVec, color, depthTest);
    AddLine(position - offsetXVec, position + heightVec - offsetXVec, color, depthTest);
    AddLine(position + offsetZVec, position + heightVec + offsetZVec, color, depthTest);
    AddLine(position - offsetZVec, position + heightVec - offsetZVec, color, depthTest);
}
Ejemplo n.º 2
0
/**
 * GeometryUtils
 */
JNIEXPORT jlong JNICALL Java_org_openscenegraph_osg_util_GeometryUtils_nativeCreateScreenQuad(JNIEnv *env, jclass,
								jint x, jint y, jint w, jint h, jboolean isBackGround)
{
	osg::Camera *hud = new osg::Camera();	
	float z=-1.0f;

	osg::Vec4 color((float)(rand()%10)/10.0,1,(float)(rand()%10)/10.0,1);


    hud->setProjectionMatrix(osg::Matrix::ortho2D(0,w,0,h));
    hud->setViewport(x,y,w,h);
    hud->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
    hud->setViewMatrix(osg::Matrix::identity());
    hud->setInheritanceMask(hud->getInheritanceMask() & ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE);
    hud->setAllowEventFocus(false);
    hud->getOrCreateStateSet()->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
    if(isBackGround == JNI_TRUE)
    {
    	hud->setRenderOrder(osg::Camera::NESTED_RENDER);
    	//hud->getOrCreateStateSet()->setRenderBinDetails(1,"DepthSortedBin");
    	hud->getOrCreateStateSet()->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
    	hud->getOrCreateStateSet()->setTextureMode(0,GL_TEXTURE_2D,osg::StateAttribute::ON);
    }

	osg::ref_ptr<osg::Geode> geode = new osg::Geode();
	osg::ref_ptr<osg::Geometry> plane =  new osg::Geometry;

	osg::Vec3 corner(0,0,z);
	osg::Vec3 widthVec(w, 0.0, z);
	osg::Vec3 heightVec(0.0, h, z);
	float l = 0.0f;
	float b = 0.0f;
	float r = 1.0;
	float t = 1.0;

	osg::Vec3Array* coords = new osg::Vec3Array(4);
	(*coords)[0] = corner+heightVec;
	(*coords)[1] = corner;
	(*coords)[2] = corner+widthVec;
	(*coords)[3] = corner+widthVec+heightVec;
	plane->setVertexArray(coords);

	osg::Vec2Array* tcoords = new osg::Vec2Array(4);
	(*tcoords)[0].set(l,t);
	(*tcoords)[1].set(l,b);
	(*tcoords)[2].set(r,b);
	(*tcoords)[3].set(r,t);
	plane->setTexCoordArray(0,tcoords);

	osg::Vec4Array* colours = new osg::Vec4Array(1);
	(*colours)[0] = color;
	plane->setColorArray(colours);
	plane->setColorBinding(osg::Geometry::BIND_OVERALL);

	osg::Vec3Array* normals = new osg::Vec3Array(1);
	(*normals)[0] = widthVec^heightVec;
	(*normals)[0].normalize();
	plane->setNormalArray(normals);
	plane->setNormalBinding(osg::Geometry::BIND_OVERALL);

	plane->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS,0,4));
        
    geode->addDrawable(plane.get());
    hud->addChild(geode.get());
		
	hud->ref();
	return reinterpret_cast<jlong>(hud);

}