Exemplos de ofxShader::setUniform3f em C++ (Cpp)

Exemplo n.º 1

Arquivo: testApp.cpp Projeto: LeoPovoa/openFrameworks

//--------------------------------------------------------------
void testApp::draw(){
	ofPushMatrix();

	if(doShader) {
		shader.begin();
		
		// set thickness of ribbons
		shader.setUniform1f("thickness", 20);
		
		// make light direction slowly rotate
		shader.setUniform3f("lightDir", sin(ofGetElapsedTimef()/10), cos(ofGetElapsedTimef()/10), 0);
	}

	glColor3f(1, 1, 1);
	
	ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2, 0);
	ofRotateX(mouseY);
	ofRotateY(mouseX);

	for(int i=1; i<points.size(); i++) {
		ofLine(points[i-1], points[i]);
	}
	
	if(doShader) shader.end();
	
	ofPopMatrix();
	
	ofDrawBitmapString("fps: " + ofToString((int)ofGetFrameRate()) + "\nPress 's' to toggle shader: " + (doShader ? "ON" : "OFF"), 20, 20);
}