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C++ ofShader::begin方法代码示例

本文整理汇总了C++中ofShader::begin方法的典型用法代码示例。如果您正苦于以下问题：C++ ofShader::begin方法的具体用法？C++ ofShader::begin怎么用？C++ ofShader::begin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ofShader的用法示例。


在下文中一共展示了ofShader::begin方法的8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: draw

        void draw(){
            wc.begin();
            if(!switchVideo){
                wc.setUniformTexture("colorMap", img.getTexture(),  1);
                wc.setUniformTexture("heightMap",gray.getTexture(), 2);
            }
            else{
                wc.setUniformTexture("colorMap", player.getTexture(), 1);
                fboDepth.begin();
                player.draw(0,0);
                fboDepth.end();
                wc.setUniformTexture("heightMap",fboDepth.getDepthTexture(),2);
            }
            wc.setUniform1f("time", ofGetElapsedTimef()*time);
            wc.setUniform1f("gradientStep", stepGradient);
            wc.setUniform1f("advectStep",   advectStep);
            wc.setUniform1f("flipHeightMap",flipHeightMap);
            wc.setUniform4f("advectMatrix",advectMatrix->w,advectMatrix->x,advectMatrix->y,advectMatrix->z);

            fbo.draw(0,0);

            wc.end();
            img.draw(0,0,img.getWidth()/4,img.getHeight()/4);
            player.draw(img.getWidth()/4,0,img.getWidth()/4,img.getHeight()/4);
            gui.draw();
        }
开发者ID:ReallyRad，项目名称:WaterColor，代码行数:26，代码来源:main.cpp

示例2: 

void lb::LightSystem::ConfigureShader( const ofShader& _shader ) const
{
    _shader.begin();
    _shader.bindUniformBlock( m_pointLightUboBinding, "LightBlock" );
    _shader.setUniform1i( "uLightPointerTex", m_lightPointerTexUnit );
    _shader.setUniform1i( "uLightIndexTex", m_lightIndexTexUnit );
    _shader.end();
}
开发者ID:arturoc，项目名称:Entropy，代码行数:8，代码来源:LightSystem.cpp

示例3: configureShader

 //--------------------------------------------------------------
 void ViewUbo::configureShader(const ofShader & shader)
 {
     shader.begin();
     {
         shader.bindUniformBlock(this->binding, "uViewBlock");
     }
     shader.end();
 }
开发者ID:Entropy，项目名称:ofxRenderToolkit，代码行数:9，代码来源:ViewUbo.cpp

示例4: draw

//--------------------------------------------------------------
void testApp::draw(){
	ofEnableLighting();
	light.enable();
	if(rotating) t++;
	fbo.begin();
	glColor4f(1, 1, 1, 1);
	ofClear(0, 0, 0, 0);
	
	glPushMatrix();
	glScalef(2, 2, 2);
	glTranslatef(ofGetWidth()/2, ofGetHeight()/2, 0);
	glRotatef(t, 0, 1, 1);
	/*glBegin(GL_QUADS);
	glVertex2f(-100, -100);
	glVertex2f(100, -100);
	glVertex2f(100, 100);
	glVertex2f(-100, 100);
	
	glEnd();*/
	ofBox(0, 0, 0, 100);
	glPopMatrix();
	fbo.end();
	
	ofDisableLighting();

	if(shading) {
		fxaa.begin();
		fxaa.setUniformTexture("bgl_RenderedTexture", fbo.getTextureReference(0), 0);
		fxaa.setUniform1f("bgl_RenderedTextureWidth", fbo.getWidth());
		fxaa.setUniform1f("bgl_RenderedTextureHeight", fbo.getHeight());
	} else {
		fbo.getTextureReference(0).bind();
	}
	glBegin(GL_QUADS);
	
	glTexCoord2f(0, 0);
	glVertex2f(0, 0);
	
	glTexCoord2f(fbo.getWidth(), 0);
	glVertex2f(ofGetWidth(), 0);
	
	glTexCoord2f(fbo.getWidth(), fbo.getHeight());
	glVertex2f(ofGetWidth(), ofGetHeight());
	
	glTexCoord2f(0, fbo.getHeight());
	glVertex2f(0, ofGetHeight());
	
	glEnd();

	if(shading) {
		fxaa.end();
	} else {
		fbo.getTextureReference(0).unbind();
	}

}
开发者ID:mazbox，项目名称:ElectricityComesFromOtherPlanets，代码行数:57，代码来源:testApp.cpp

示例5: draw

    void draw() {
        ofBackgroundGradient(64, 0);

	if(reflect || sreflect) 
		env.draw(0,0,env.getWidth()/8,env.getHeight()/8);
	if(sreflect) 
		env1.draw(env.getWidth()/8,0,env1.getWidth()/8,env1.getHeight()/8);

	ofEnableDepthTest();
        cam.begin();
        shader.begin();

	if(sreflect){
//        	shader.setUniform3f("CameraPos",cam.getGlobalPosition().x, cam.getGlobalPosition().y, cam.getGlobalPosition().z);
//		shader.setUniformMatrix4f("ModelWorld4x4",cam.getGlobalTransformMatrix());
        	shader.setUniform3f("CameraPos",cam.getPosition().x, cam.getPosition().y, cam.getPosition().z);
		shader.setUniformMatrix4f("ModelWorld4x4",cam.getModelViewMatrix());//getLocalTransformMatrix());
	        shader.setUniformTexture("frontMap",  env,1);
	        shader.setUniformTexture("backMap",  env1,2);
	}

	if(reflect){
        	shader.setUniformTexture("colorMap",env1,1);
	        shader.setUniformTexture("envMap",  env,2);
	}else if(sreflect==false){
        	shader.setUniformTexture("texture", img, 1);
        	shader.setUniform1f("time", ofGetElapsedTimef());
	}

	if(cube)
		ofDrawBox(200);
	else {
		ofTranslate(0,-150,0);
		ofRotateX(-90);
		ofRotateY(-90);
		ofRotateZ(45);
		model.drawFaces();
	}

        shader.end();
        cam.end();
	ofDisableDepthTest();

        ofDrawBitmapString(ofToString((int) ofGetFrameRate()), 10, 20);
    }
开发者ID:drakh，项目名称:glslMaterial，代码行数:45，代码来源:main.cpp

示例6: draw

		void draw() {
			ofBackground(25);

			fbo.begin();
			ofClear(0,0,0,0);
			ofEnableDepthTest();
			camera.begin();
			    glPushMatrix();

			    glEnable(GL_BLEND);
		        glBlendFunc(GL_SRC_ALPHA, GL_ONE);
		        glEnable(GL_ALPHA_TEST);
		        glAlphaFunc(GL_GREATER, 0);

		        if(dvel) draw_velocity();
		        if(dden){
                        draw_density();
                }

                glDisable(GL_BLEND);
		        glDisable(GL_ALPHA_TEST);

		        glPopMatrix();
                if( drawAxis ){	ofDrawAxis(15); }

			camera.end();
			ofDisableDepthTest();
			fbo.end();

            shader.begin();
            shader.setUniformTexture("tex",fbo.getTextureReference(),0);
            shader.setUniform2f("resolution",dw,dh);
            shader.setUniform1f("timer",ofGetElapsedTimef());

            fbo.draw(0,0);

            shader.end();
			gui.draw();
		}
开发者ID:kashimAstro，项目名称:3DFlare，代码行数:39，代码来源:main.cpp

示例7: drawFace

void BGNode::drawFace(ofShader & mEyeShader) {

/*
    int n = neighbours.size();
    ofVec2f toVector(1,0);
    if(n > 0)
        toVector = (neighbours[0]->position - position).normalize();


    ofVec2f perpVec(-toVector.y, toVector.x);
*/

    ofSetColor(255);

    float offset = .05 * nodeRadius;
    float perpOffset = .6 * nodeRadius;
    float eyeRadius = .6 * nodeRadius;

    ofVec2f toVector = mSurfaceNormal;
    ofVec2f perpVec(-toVector.y, toVector.x);

    ofVec2f goalPos = position;
    if(neighbours.size() > 0)
        goalPos = neighbours[0]->position;

    float texFactor = .6 * nodeRadius;

    for(int i=0; i<2; ++i) {

        int factor = i == 0 ? 1 : -1;
        ofVec2f pos = position + toVector * offset + factor * perpVec * perpOffset;

        ofMesh eyeMesh;
        eyeMesh.setMode(OF_PRIMITIVE_TRIANGLE_STRIP);

        for(int j=0; j<4; ++j) {

            ofVec2f texPos(j % 2, j / 2);

            ofVec2f vPos = pos + (texPos.x - .5) * texFactor * perpVec + (texPos.y - .5) * texFactor * toVector;

            eyeMesh.addVertex(ofVec3f(vPos.x, vPos.y, 0));
            eyeMesh.addTexCoord(texPos);
        }

        ofVec2f goalPos = position;
        if(neighbours.size() > 0)
            goalPos = neighbours[0]->position;

        ofVec2f toGoal = goalPos - pos;
        float toGoalLength = toGoal.length();
        ofVec2f pupilPos = pos;
        if(toGoalLength > 0.01)
            pupilPos = pos + .25 * eyeRadius / toGoalLength * toGoal;

        mEyeShader.begin();
        mEyeShader.setUniform2f("uCenter", pos.x, pos.y);
        mEyeShader.setUniform2f("uFocusPoint", goalPos.x, goalPos.y);
        mEyeShader.setUniform2f("uPupilLoc", pupilPos.x, pupilPos.y);
        mEyeShader.setUniform1i("uFlipHorizontally", i > 0);
        
        eyeMesh.draw();
        mEyeShader.end();
    }

    ofMesh mouthMesh;
    mouthMesh.setMode(OF_PRIMITIVE_TRIANGLE_STRIP);

    for(int i=0; i<21; ++i) {
        float t = i / 20.0;
        float x = .6 * (t - .5) * nodeRadius;
        float yVar = 2 * abs(t - .5);
        float y = (-yVar * yVar * (1 - yVar) * .6 - .3) * nodeRadius;

        for(int it=0; it<2; ++it) {
            mouthMesh.addVertex(position + y * toVector + x * perpVec);
            mouthMesh.addColor(ofColor(0));
            y -= 3;
        }

    }

    mouthMesh.draw();
}
开发者ID:guidosoetens，项目名称:visualtest，代码行数:84，代码来源:BGNode.cpp

示例8: update

	void update() {
#ifdef INSTALL
		if(cam.update()) {
			ofPixels& pixels = cam.getColorPixels();
#else
		cam.update();
		if(cam.isFrameNew()) {
			ofPixels& pixels = cam.getPixelsRef();
#endif
			// next two could be replaced with one line
			ofxCv::rotate90(pixels, rotated, rotate ? 270 : 0);
			ofxCv:flip(rotated, rotated, 1);
			Mat rotatedMat = toCv(rotated);
			if(tracker.update(rotatedMat))  {
				ofVec2f position = tracker.getPosition();
				vector<FaceTrackerData*> neighbors = data.getNeighborsCount(position, neighborCount);
				FaceTrackerData curData;
				curData.load(tracker);
				if(!neighbors.empty()) {
					nearestData = *faceCompare.nearest(curData, neighbors);
					if(nearestData.label != lastLabel) {
						similar.loadImage(nearestData.getImageFilename());
#ifdef INSTALL
						whitePoint = getWhitePoint(similar);
#else
						whitePoint.set(1, 1, 1);
#endif
					}
					lastLabel = nearestData.label;
				}
				if(faceCompare.different(curData, currentData) && faceCompare.different(curData, neighbors)) {
					saveFace(curData, rotated);
					currentData.push_back(pair<ofVec2f, FaceTrackerData>(position, curData));
				}
			}
			presence.update(tracker.getFound());
			if(presence.wasTriggered()) {
				presenceFade.stop();
			}
			if(presence.wasUntriggered()) {
				for(int i = 0; i < currentData.size(); i++) {
					data.add(currentData[i].first, currentData[i].second);
				}
				currentData.clear();
				presenceFade.start();
			}
		}
	}
	void draw() {
		ofBackground(255);
		CGDisplayHideCursor(NULL);
		ofSetColor(255);
		if(similar.isAllocated()) {
			shader.begin();
			shader.setUniformTexture("tex", similar, 0);
			shader.setUniform3fv("whitePoint", (float*) &whitePoint);
			similar.draw(0, 0);
			shader.end();
		}
		ofPushStyle();
		if(presenceFade.getActive()) {
			ofSetColor(0, ofMap(presenceFade.get(), 0, 1, 0, 128));
			ofFill();
			ofRect(0, 0, ofGetWidth(), ofGetHeight());
			ofSetColor(255, ofMap(presenceFade.get(), 0, 1, 0, 32));
			data.drawBins();
			ofSetColor(255, ofMap(presenceFade.get(), 0, 1, 0, 64));
			data.drawData();
		}
		ofSetColor(255, 64);
		ofNoFill();
		if(!tracker.getFound()) {
			ofCircle(tracker.getPosition(), 10);
		}
		tracker.draw();
		ofPopStyle();
		
#ifndef INSTALL
		drawFramerate();
#endif
	}
开发者ID:Abhayshar，项目名称:SharingFaces，代码行数:81，代码来源:main.cpp


注：本文中的ofShader::begin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。