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C++ Light::GetRange方法代码示例

本文整理汇总了C++中Light::GetRange方法的典型用法代码示例。如果您正苦于以下问题：C++ Light::GetRange方法的具体用法？C++ Light::GetRange怎么用？C++ Light::GetRange使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Light的用法示例。


在下文中一共展示了Light::GetRange方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: CullLights

void World::CullLights(VisibleCullResult & result, Camera * cam)
{
    List<Light*>::Iterator whr = mLights.Begin();
    List<Light*>::Iterator end = mLights.End();

    while (whr != end)
    {
        // current it's false
        Light * light = *whr;

        if (!light->IsVisible())
            continue;

        switch (light->GetType())
        {
        case LT_DIRECTIONAL:
            result.lights.PushBack(light);
            break;

        case LT_POINT:
        case LT_SPOT:
        {
            Sphere sph = Sphere(light->GetPosition(), light->GetRange());
            if (cam->IsVisible(sph))
                result.lights.PushBack(light);
        }
        break;
        }

        ++whr;
    }
}
开发者ID:ak4hige，项目名称:myway3d，代码行数:32，代码来源:MWWorld.cpp

示例2: Prepare


//.........这里部分代码省略.........
        float fogRange = Max(fogEnd - fogStart, M_EPSILON);
        Vector4 fogParams(fogEnd / farClip, farClip / fogRange, 0.0f, 0.0f);
        
        Node* zoneNode = zone_->GetNode();
        if (zone_->GetHeightFog() && zoneNode)
        {
            Vector3 worldFogHeightVec = zoneNode->GetWorldTransform() * Vector3(0.0f, zone_->GetFogHeight(), 0.0f);
            fogParams.z_ = worldFogHeightVec.y_;
            fogParams.w_ = zone_->GetFogHeightScale() / Max(zoneNode->GetWorldScale().y_, M_EPSILON);
        }
        
        graphics->SetShaderParameter(PSP_FOGPARAMS, fogParams);
    }
    
    // Set light-related shader parameters
    if (lightQueue_)
    {
        if (graphics->NeedParameterUpdate(SP_VERTEXLIGHTS, lightQueue_) && graphics->HasShaderParameter(VS, VSP_VERTEXLIGHTS))
        {
            Vector4 vertexLights[MAX_VERTEX_LIGHTS * 3];
            const PODVector<Light*>& lights = lightQueue_->vertexLights_;
            
            for (unsigned i = 0; i < lights.Size(); ++i)
            {
                Light* vertexLight = lights[i];
                Node* vertexLightNode = vertexLight->GetNode();
                LightType type = vertexLight->GetLightType();
                
                // Attenuation
                float invRange, cutoff, invCutoff;
                if (type == LIGHT_DIRECTIONAL)
                    invRange = 0.0f;
                else
                    invRange = 1.0f / Max(vertexLight->GetRange(), M_EPSILON);
                if (type == LIGHT_SPOT)
                {
                    cutoff = Cos(vertexLight->GetFov() * 0.5f);
                    invCutoff = 1.0f / (1.0f - cutoff);
                }
                else
                {
                    cutoff = -1.0f;
                    invCutoff = 1.0f;
                }
                
                // Color
                float fade = 1.0f;
                float fadeEnd = vertexLight->GetDrawDistance();
                float fadeStart = vertexLight->GetFadeDistance();
                
                // Do fade calculation for light if both fade & draw distance defined
                if (vertexLight->GetLightType() != LIGHT_DIRECTIONAL && fadeEnd > 0.0f && fadeStart > 0.0f && fadeStart < fadeEnd)
                    fade = Min(1.0f - (vertexLight->GetDistance() - fadeStart) / (fadeEnd - fadeStart), 1.0f);
                
                Color color = vertexLight->GetEffectiveColor() * fade;
                vertexLights[i * 3] = Vector4(color.r_, color.g_, color.b_, invRange);
                
                // Direction
                vertexLights[i * 3 + 1] = Vector4(-(vertexLightNode->GetWorldDirection()), cutoff);
                
                // Position
                vertexLights[i * 3 + 2] = Vector4(vertexLightNode->GetWorldPosition(), invCutoff);
            }
            
            if (lights.Size())
                graphics->SetShaderParameter(VSP_VERTEXLIGHTS, vertexLights[0].Data(), lights.Size() * 3 * 4);
开发者ID:Canardian，项目名称:Urho3D，代码行数:67，代码来源:Batch.cpp

示例3: Prepare


//.........这里部分代码省略.........
        adjust.SetScale(Vector3(1.0f / boxSize.x_, 1.0f / boxSize.y_, 1.0f / boxSize.z_));
        adjust.SetTranslation(Vector3(0.5f, 0.5f, 0.5f));
        Matrix3x4 zoneTransform = adjust * zone_->GetInverseWorldTransform();
        graphics->SetShaderParameter(VSP_ZONE, zoneTransform);

        graphics->SetShaderParameter(PSP_AMBIENTCOLOR, zone_->GetAmbientColor());
        graphics->SetShaderParameter(PSP_FOGCOLOR, overrideFogColorToBlack ? Color::BLACK : zone_->GetFogColor());

        float farClip = camera->GetFarClip();
        float fogStart = Min(zone_->GetFogStart(), farClip);
        float fogEnd = Min(zone_->GetFogEnd(), farClip);
        if (fogStart >= fogEnd * (1.0f - M_LARGE_EPSILON))
            fogStart = fogEnd * (1.0f - M_LARGE_EPSILON);
        float fogRange = Max(fogEnd - fogStart, M_EPSILON);
        Vector4 fogParams(fogEnd / farClip, farClip / fogRange, 0.0f, 0.0f);

        Node* zoneNode = zone_->GetNode();
        if (zone_->GetHeightFog() && zoneNode)
        {
            Vector3 worldFogHeightVec = zoneNode->GetWorldTransform() * Vector3(0.0f, zone_->GetFogHeight(), 0.0f);
            fogParams.z_ = worldFogHeightVec.y_;
            fogParams.w_ = zone_->GetFogHeightScale() / Max(zoneNode->GetWorldScale().y_, M_EPSILON);
        }

        graphics->SetShaderParameter(PSP_FOGPARAMS, fogParams);
    }

    // Set light-related shader parameters
    if (lightQueue_)
    {
        if (light && graphics->NeedParameterUpdate(SP_LIGHT, lightQueue_))
        {
            Node* lightNode = light->GetNode();
            float atten = 1.0f / Max(light->GetRange(), M_EPSILON);
            Vector3 lightDir(lightNode->GetWorldRotation() * Vector3::BACK);
            Vector4 lightPos(lightNode->GetWorldPosition(), atten);

            graphics->SetShaderParameter(VSP_LIGHTDIR, lightDir);
            graphics->SetShaderParameter(VSP_LIGHTPOS, lightPos);

            if (graphics->HasShaderParameter(VSP_LIGHTMATRICES))
            {
                switch (light->GetLightType())
                {
                case LIGHT_DIRECTIONAL:
                    {
                        Matrix4 shadowMatrices[MAX_CASCADE_SPLITS];
                        unsigned numSplits = Min(MAX_CASCADE_SPLITS, lightQueue_->shadowSplits_.Size());

                        for (unsigned i = 0; i < numSplits; ++i)
                            CalculateShadowMatrix(shadowMatrices[i], lightQueue_, i, renderer);

                        graphics->SetShaderParameter(VSP_LIGHTMATRICES, shadowMatrices[0].Data(), 16 * numSplits);
                    }
                    break;

                case LIGHT_SPOT:
                    {
                        Matrix4 shadowMatrices[2];

                        CalculateSpotMatrix(shadowMatrices[0], light);
                        bool isShadowed = shadowMap && graphics->HasTextureUnit(TU_SHADOWMAP);
                        if (isShadowed)
                            CalculateShadowMatrix(shadowMatrices[1], lightQueue_, 0, renderer);

                        graphics->SetShaderParameter(VSP_LIGHTMATRICES, shadowMatrices[0].Data(), isShadowed ? 32 : 16);
开发者ID:EternalXY，项目名称:AtomicGameEngine，代码行数:67，代码来源:Batch.cpp

示例4: main

int main(){
	try{
		ILogger::Init();
		Settings::Call().Parse();
		ResourceManager::Call().AddPath("Data/shaders", "Shader");
		ResourceManager::Call().AddPath("Data/textures", "Image");

		{
			Window myWindow;
			Image Crate;
			Texture CrateTexture;
			Text FPSText, MousePosText;
			Clock FrameClock, FpsClock;
		
			Input myInput;
			myInput.Init(myWindow);

			Renderer& myRenderer = Renderer::Call();
			myRenderer.Init(myWindow);
		
			Crate.LoadFromFile("crate.jpg");
			CrateTexture.LoadFromImage(Crate);

			Light l;
			l.SetPosition(Vector3F(1,3,1.5));
			l.SetDiffuse(Color(1.f,1.f,1.f));
			l.SetRange(8);

			Shader ColorShader;
			ColorShader.Compile("shaderColor.vs", "shaderColor.fs");
			ColorShader.Bind();
			ColorShader.SendColor("ambientColor", myRenderer.GetSpecifications().mAmbientColor);
			ColorShader.SendFloat("constantAtt", l.GetAttenuationConstant());
			ColorShader.SendFloat("linearAtt", l.GetAttenuationLinear());
			ColorShader.SendFloat("quadraticAtt", l.GetAttenuationQuadratic());
			ColorShader.SendFloat("range", l.GetRange());
	
			ColorShader.SendVector3("lightPosition", l.GetPosition());
			ColorShader.SendColor("lightColor", l.GetDiffuse());
			ColorShader.UnBind();

			Object obj1;
			obj1.MakeCube("cube", ColorShader);
			obj1.GetMaterial().mAmbient = Color(0.f, 0.08f, 0.08f);
			obj1.GetMaterial().mDiffuse = Color(0.f, 0.8f, 0.8f);
			obj1.GetMaterial().mSpecular = Color(0.0f, 0.5f, 0.5f);
			obj1.GetMaterial().mShininess = 50.f;

			Camera cam;
			cam.LookAt(Vector3F(0.5f,0,1), Vector3F(-2.5f,2,4));
		
			FPSText.SetSize(12);
			FPSText.SetPosition(10,10);
			MousePosText.SetSize(12);
			MousePosText.SetPosition(10,22);

			while(myWindow.IsOpened()){
				ElapsedTime = FrameClock.GetElapsedTime();
				FrameClock.Reset();

				if(FpsClock.GetElapsedTime() > 1.f){
					FPSText.SetText(String(1.f/ElapsedTime));
					FpsClock.Reset();
				}

			
				while(myInput.GetEvent()){
					if(myInput.GetEventType() == sf::Event::Closed)
						myWindow.Close();

					if(myInput.IsKeyHit(Space))
						if(!paused){
							paused = true;
							FrameClock.Pause();
						}else{
							paused = false;
							FrameClock.Resume();
						}
				}

				MousePosText.SetText(String("X : ")+myInput.GetMouseX()+" Y : "+myInput.GetMouseY());
			
				MousePosText.Draw();
				FPSText.Draw();
				obj1.Draw();

				myRenderer.BeginScene(myRenderer.GetSpecifications().mAmbientColor);
					myRenderer.Render();
				myRenderer.EndScene();
			}
		}
	}catch(Exception e){
		std::cout << e.what() << std::endl;
		system("PAUSE");
	}

	Renderer::Kill();
	ResourceManager::Kill();
	Settings::Kill();
	ILogger::Kill();
//.........这里部分代码省略.........
开发者ID:caiwan，项目名称:00xengine，代码行数:101，代码来源:main.cpp

示例5: GetVisibleLights

void World::GetVisibleLights(Node * node, List<Light*> & lights)
{
    profile_code();

    lights.Clear();

    List<Light*>::Iterator iter;
    List<Light*>::Iterator end;

    iter = mLights.Begin();
    end = mLights.End();

    Light * light;

    while (iter != end)
    {
        light = *iter;

        if (light->IsVisible())
        {
            LIGHT_TYPE type = light->GetType();

            if (type == LT_DIRECTIONAL)
            {
                lights.PushBack(light);
            }

            else if (type == LT_POINT)
            {
                const Sphere & sph = node->GetWorldBoundingSphere();
                float len = Math::VecLength(light->GetPosition() - sph.center);
                if (len - sph.radius < light->GetRange())
                    lights.PushBack(light);
            }

            else if (type == LT_SPOT)
            {
                Aabb aabb;
                Vec3 ltf, lbf, rtf, rbf;
                Vec3 ltb, lbb, rtb, rbb;
                Vec3 lp;

                float sq1, sq2, sq3, sq4;
                float sq5, sq6, sq7, sq8;
                float rsq;

                Vec3 d1, d2, d3, d4;
                Vec3 d5, d6, d7, d8;
                Vec3 ld;
                float dt1, dt2, dt3, dt4;
                float dt5, dt6, dt7, dt8;
                float mdt;

                aabb = node->GetWorldAabb();

                ltf = aabb.GetLeftTopFrontPoint();
                lbf = aabb.GetLeftBottomFrontPoint();
                rtf = aabb.GetRightTopFrontPoint();
                rbf = aabb.GetRightBottomFrontPoint();

                ltb = aabb.GetLeftTopBackPoint();
                lbb = aabb.GetLeftBottomBackPoint();
                rtb = aabb.GetRightTopBackPoint();
                rbb = aabb.GetRightBottomBackPoint();

                lp = light->GetPosition();
                rsq = light->GetRange() * light->GetRange();

                sq1 = Math::VecDistanceSq(lp, ltf);
                sq2 = Math::VecDistanceSq(lp, lbf);
                sq3 = Math::VecDistanceSq(lp, rtf);
                sq4 = Math::VecDistanceSq(lp, rbf);
                sq5 = Math::VecDistanceSq(lp, ltb);
                sq6 = Math::VecDistanceSq(lp, lbb);
                sq7 = Math::VecDistanceSq(lp, rtb);
                sq8 = Math::VecDistanceSq(lp, rbb);

                if (sq1 < rsq || sq2 < rsq || sq3 < rsq || sq4 < rsq ||
                        sq5 < rsq || sq6 < rsq || sq7 < rsq || sq8 < rsq)
                {
                    ld = light->GetDirection();
                    mdt = light->GetOuter();

                    d1 = ltf - lp;
                    d2 = lbf - lp;
                    d3 = rtf - lp;
                    d4 = rbf - lp;
                    d5 = ltb - lp;
                    d6 = lbb - lp;
                    d7 = rtb - lp;
                    d8 = rbb - lp;

                    Math::VecNormalize(d1, d1);
                    Math::VecNormalize(d2, d2);
                    Math::VecNormalize(d3, d3);
                    Math::VecNormalize(d4, d4);
                    Math::VecNormalize(d5, d5);
                    Math::VecNormalize(d6, d6);
                    Math::VecNormalize(d7, d7);
                    Math::VecNormalize(d8, d8);
//.........这里部分代码省略.........
开发者ID:ak4hige，项目名称:myway3d，代码行数:101，代码来源:MWWorld.cpp


注：本文中的Light::GetRange方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。