Strip Sphere

testApp.cpp

#include "testApp.h"

//--------------------------------------------------------------
void testApp::setup()
{

	ofSetFrameRate(60);
	ofSetVerticalSync(true);
	ofBackground(0);

	ofSetColor(255);
}

//--------------------------------------------------------------
void testApp::update()
{

}

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

	glEnable(GL_DEPTH_TEST);

	glTranslated(ofGetWidth() / 2, ofGetHeight() / 2, 0);

	float roll = ofMap(mouseX, 0, ofGetWidth(), 0, 30, true);
	int res = 512;

	glRotatef(ofGetElapsedTimef() * 60, 0, 1, 0);
	glRotatef(60, 1, 0, 0);

	glColor4f(1, 0, 0, 1);

	glBegin(GL_QUAD_STRIP);
	for (int i = 0; i <= res; i++)
	{
		float f = ofMap(i, 0, res, 0, 1, true);

		float x1 = sin(f * TWO_PI * roll) * sin(f * PI) * 200;
		float y1 = cos(f * TWO_PI * roll) * sin(f * PI) * 200;
		float z1 = sin(f * PI + HALF_PI) * 200;

		float ff = f + 0.05;
		float x2 = sin(f * TWO_PI * roll) * sin(ff * PI) * 200;
		float y2 = cos(f * TWO_PI * roll) * sin(ff * PI) * 200;
		float z2 = sin(ff * PI + HALF_PI) * 200;

		glVertex3f(x1, y1, z1);
		glVertex3f(x2, y2, z2);

	}
	glEnd();

	glColor4f(0, 1, 0, 1);

	glBegin(GL_QUAD_STRIP);
	for (int i = 0; i <= res; i++)
	{
		float f = ofMap(i, 0, res, 0, 1, true);

		float x1 = sin(f * TWO_PI * roll + PI) * sin(f * PI) * 200;
		float y1 = cos(f * TWO_PI * roll + PI) * sin(f * PI) * 200;
		float z1 = sin(f * PI + HALF_PI) * 200;

		float ff = f + 0.05;
		float x2 = sin(f * TWO_PI * roll + PI) * sin(ff * PI) * 200;
		float y2 = cos(f * TWO_PI * roll + PI) * sin(ff * PI) * 200;
		float z2 = sin(ff * PI + HALF_PI) * 200;

		glVertex3f(x1, y1, z1);
		glVertex3f(x2, y2, z2);

	}
	glEnd();
}

//--------------------------------------------------------------
void testApp::keyPressed(int key)
{

}

//--------------------------------------------------------------
void testApp::keyReleased(int key)
{

}

//--------------------------------------------------------------
void testApp::mouseMoved(int x, int y)
{

}

//--------------------------------------------------------------
void testApp::mouseDragged(int x, int y, int button)
{

}

//--------------------------------------------------------------
void testApp::mousePressed(int x, int y, int button)
{

}

//--------------------------------------------------------------
void testApp::mouseReleased(int x, int y, int button)
{

}

//--------------------------------------------------------------
void testApp::windowResized(int w, int h)
{

}

//--------------------------------------------------------------
void testApp::gotMessage(ofMessage msg)
{

}

//--------------------------------------------------------------
void testApp::dragEvent(ofDragInfo dragInfo)
{

}