gistfile1.txt

#include "cinder/app/App.h"
#include "cinder/app/RendererGl.h"
#include "cinder/gl/gl.h"

using namespace ci;
using namespace ci::app;
using namespace std;

GLfloat cube_vertices[] = {
  // front
  -1.0, -1.0,  1.0,
  1.0, -1.0,  1.0,
  1.0,  1.0,  1.0,
  -1.0,  1.0,  1.0,
  // back
  -1.0, -1.0, -1.0,
  1.0, -1.0, -1.0,
  1.0,  1.0, -1.0,
  -1.0,  1.0, -1.0,
};
GLfloat cube_colors[] = {
  // front colors
  1.0, 0.0, 0.0,
  0.0, 1.0, 0.0,
  0.0, 0.0, 1.0,
  1.0, 1.0, 1.0,
  // back colors
  1.0, 0.0, 0.0,
  0.0, 1.0, 0.0,
  0.0, 0.0, 1.0,
  1.0, 1.0, 1.0,
};

GLushort cube_elements[] = {
		// front
		0, 1, 2,
		2, 3, 0,
		// top
		1, 5, 6,
		6, 2, 1,
		// back
		7, 6, 5,
		5, 4, 7,
		// bottom
		4, 0, 3,
		3, 7, 4,
		// left
		4, 5, 1,
		1, 0, 4,
		// right
		3, 2, 6,
		6, 7, 3,
};


class ShadedCubesApp : public App {
  public:
	void setup() override;
	void mouseDown( MouseEvent event ) override;
	void update() override;
	void draw() override;
  
  gl::GlslProgRef mGlsl;
  GLuint mCubeVertices, mCubeColors, mCubeIBO;
  CameraPersp mCamera;
};

void ShadedCubesApp::setup()
{
  mCamera.setPerspective(60.f, getWindowAspectRatio(), 0.1f, 1000.f);
  
  glGenBuffers(1, &mCubeVertices);
  glBindBuffer(GL_ARRAY_BUFFER, mCubeVertices);
  glBufferData(GL_ARRAY_BUFFER, sizeof(cube_vertices), cube_vertices, GL_STATIC_DRAW);
  
  glGenBuffers(1, &mCubeColors);
  glBindBuffer(GL_ARRAY_BUFFER, mCubeColors);
  glBufferData(GL_ARRAY_BUFFER, sizeof(cube_colors), cube_colors, GL_STATIC_DRAW);
  
  glGenBuffers(1, &mCubeIBO);
  glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mCubeIBO);
  glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(cube_elements), cube_elements, GL_STATIC_DRAW);
  
  mGlsl = gl::GlslProg::create(loadResource("shadedcubes.vert"), loadResource("shadedcubes.frag"));

  glEnable(GL_CULL_FACE);
  glEnable(GL_DEPTH);
}

void ShadedCubesApp::mouseDown( MouseEvent event )
{
}

void ShadedCubesApp::update()
{
}

void ShadedCubesApp::draw()
{
	gl::clear( Color( 0, 0, 0 ) ); 
}

CINDER_APP( ShadedCubesApp, RendererGl )