void ModelTracker::setModel(unsigned int newNumModelPoints,const ModelTracker::Point newModelPoints[])
{
/* Copy the given model point array: */
delete[] modelPoints;
numModelPoints=newNumModelPoints;
modelPoints=new Point[numModelPoints];
for(unsigned int i=0;i<numModelPoints;++i)
modelPoints[i]=newModelPoints[i];
#if 0 // Not using POSIT!
/* Create the homogeneous weight array: */
mpws=new double[numModelPoints];
/* Pre-calculate the model matrix for POSIT: */
Math::Matrix modelMat(4,4,0.0);
for(unsigned int mpi=0;mpi<numModelPoints;++mpi)
{
for(int i=0;i<3;++i)
{
for(int j=0;j<3;++j)
modelMat(i,j)+=modelPoints[mpi][i]*modelPoints[mpi][j];
modelMat(i,3)+=modelPoints[mpi][i];
}
for(int j=0;j<3;++j)
modelMat(3,j)+=modelPoints[mpi][j];
modelMat(3,3)+=1.0;
}
/* Invert the model matrix: */
invModelMat=modelMat.inverseFullPivot();
#endif
}
int multiple_texture_sample(void)
{
//GLuint shaderProgID;
Window engineWindow("Wolfie", 600, 800);
std::vector<Sprite> spriteVec;
if (engineWindow.init() == -1)
{
std::cout<<"Engine initialization error"<<std::endl;
return -1;
}
//creating shader program
Shader shObj(FRAGMENT_SHADER_SOURCE, VERTEX_SHADER_SOURCE);
if(!shObj.checkValidShaderProg())
{
std::cout<<"Shader compilation issues"<<std::endl;
return -1;
}
Texture2D* texture1 = new Texture2D(WALL_IMG);
Texture2D* texture2 = new Texture2D(TEXTURE_IMG);
//texture.generate();
// Transformation Calculations
//model matrix
glm::mat4 modelMat(1.0f);
// View matrix
glm::mat4 viewMat = glm::lookAt(
glm::vec3(50,0,5), // Camera in World Space
glm::vec3(50,50,0), // and looks at the origin
glm::vec3(0,1,0) // Head is up (set to 0,-1,0 to look upside-down)
);
//Projection Matrix
glm::mat4 projMat = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 200.0f);
// final MVP transform
glm::mat4 mvpMat = projMat * viewMat * modelMat;
//Randomization logic for sprite colors using <chrono> and <random>
std::chrono::system_clock::time_point sysTimePoint = std::chrono::system_clock::now();
double seed = sysTimePoint.time_since_epoch().count();
std::mt19937 gen(seed);
std::uniform_real_distribution<double> dist;
TileLayer *spriteLayer = new TileLayer(&shObj, new BatchRenderer(), mvpMat);
//super group's transformation matrix
modelMat = glm::mat4(1.0f);
Group* groupSuper = new Group(modelMat);
for(int i=0 ;i < 100; i+=2)
{
for(int j=0; j< 100; j+=2)
{
groupSuper->add(new Sprite(glm::vec3(i,j,0),
glm::vec2(5,5),
glm::vec4(1.0f, 0.0f, 1.0f, 1.0f),
texture1)
);
groupSuper->add(new Sprite(glm::vec3(i+1,j+1,0),
glm::vec2(2,2),
glm::vec4(1.0f, 0.0f, 1.0f, 1.0f),
texture2)
);
}
}
// add the super group to the layer
spriteLayer->add(groupSuper);
#if FPS_VIEWER
Timer timer;
unsigned short frames = 0;
timer.start();
float time = 0;
#endif
// The actual Game Loop
while(!engineWindow.isClosed())
{
glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
engineWindow.clear();
//body of the draw
spriteLayer->render();
engineWindow.update();
if (engineWindow.isKeyPressed(GLFW_KEY_W))
std::cout<<" W is pressed!!"<<std::endl;
if (engineWindow.isMouseButtonPressed(GLFW_MOUSE_BUTTON_LEFT))
{
std::cout<<"Mouse Left clicked!"<<std::endl;
std::cout<<"Mouse x:"<<engineWindow.getWinMousePosition().first;
std::cout<<" Mouse y:"<<engineWindow.getWinMousePosition().second<<std::endl;
}
#if FPS_VIEWER
frames++;
if (timer.elaspedTime() - time > 1.0f) {
time += 1.0f;
std::cout<<"Fps:"<<frames<<std::endl;
frames = 0;
}
#endif
}
shObj.disableShader();
engineWindow.close();
delete texture1;
delete texture2;
return 0;
}
