void updateCamera()
{
// update orientation
mat4 cameraTransform(1);
//cameraTransform = rotate(cameraTransform, alpha, vec3(0,1,0)); // pass this information to cuda wrapper
//cameraTransform = rotate(cameraTransform, beta, vec3(1,0,0));
vec4 pos4 = (cameraTransform * vec4(cam->position, 1.0));
vec4 up4 = (cameraTransform * vec4(cam->up, 0.0));
vec4 viewDir4 = (cameraTransform * vec4(0,0,-1, 0.0));
cam->position = vec3(pos4.x, pos4.y, pos4.z);
cam->up = vec3(up4.x, up4.y, up4.z);
viewDir = vec3(viewDir4.x, viewDir4.y, viewDir4.z);
mat4 view = glm::lookAt(cam->position, cam->position + viewDir, cam->up); // LOOK: Center is now position + view direction
//mat4 view = glm::lookAt(cam->position, cam->position + viewDir, cam->up); // LOOK: Center is now position + view direction
cam->view = view;
if (alpha != 0)
printf("alpha = %f\n", alpha);
if (beta != 0)
printf("beta = %f\n", beta);
//alpha = 0; // commented this out because now alpha and beta are cumulative and are passed to cuda side to modify the model matrix
//beta = 0;
zTranslateDistance = 0;
}
void drawScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
cameraTransform(&svCtx.camera);
if(svCtx.drawHandler != NULL)
svCtx.drawHandler();
drawCameraOrientationWidget(&svCtx.camWidget);
glFlush();
glutSwapBuffers();
}
void PCamera::fromLight(const PDirectionalLight *light, const PBox *bbox)
{
PVector3 center = pVector3(0, 0, 0);
PVector3 eye = light->direction() * 100.0f; // any point on the light ray is OK.
PVector3 up;
PVector3 lightSource = pVector3(-light->direction()[0],
-light->direction()[1],
-light->direction()[2]);
if (lightSource[1] >= 0)
{
if (lightSource[1] < 0.99f)
{
up = pVector3(0, 1, 0);
}
else
{
up = pVector3(-1.0f, 0.0f, 0.0f);
}
}
else
{
if (lightSource[1] > -0.99f)
{
up = pVector3(0, -1, 0);
}
else
{
up = pVector3(-1.0f, 0.0f, 0.0f);
}
}
up.normalize();
// Generate the camera matrix
m_localTransform.setLookAt(eye[0], eye[1], eye[2], center[0], center[1], center[2], up[0], up[1], up[2]);
PBox bboxInCameraSpace(*bbox);
bboxInCameraSpace.transform(cameraTransform());
// Generate the projection matrix
m_projection.orthogonal(bboxInCameraSpace.min()[0],
bboxInCameraSpace.max()[0],
bboxInCameraSpace.min()[1],
bboxInCameraSpace.max()[1],
bboxInCameraSpace.min()[2] - 0.01f,
bboxInCameraSpace.max()[2] + 0.01f);
}
void renderScene(){
// Clear framebuffer & depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glClearColor(1.0,1.0,1.0,1.0); //I actually need to call it only once, so if i put it in setupscene is ok
cameraTransform();
glDisable(GL_LIGHTING);
drawAxes();
drawGrid();
//fog();
//cubeWorld();
//glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glEnable(GL_LIGHTING); //Enable global lighting
////WITH = All the light will NOT move with the camera (light fixed even if i rotate)
////Because i tell at every frame to fix the light at those 2 points
glLightfv(GL_LIGHT0, GL_POSITION, left_light_position);
glLightfv(GL_LIGHT1, GL_POSITION, right_light_position);
/*setMaterial(jade);
glutSolidCube(2);*/
//setMaterial(ruby); //doesn't work without glDisable(GL_COLOR_MATERIAL);
/*for(int i=0; i<cube1.normals.size();i++) std::cout << cube1.worldNormals.at(i) << std::endl;
std::cout<<"ayee"<<std::endl<<std::endl<<std::endl;*/
for (int i = 0 ; i<collection.size(); i++)
collection.at(i).draw(Vector(0.3f,0.15f,0.15f)); //Vector(102,51,51)
glutSwapBuffers();
}
void renderScene(){
// Clear framebuffer & depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//where should the camera look at?
cameraTransform();
glDisable(GL_LIGHTING);//disable lighting not to affect the drawings of meta-objects
drawAxes();
drawGrid();
glEnable(GL_LIGHTING);//resume lighting
//WITH = All the light will NOT move with the camera (light fixed even if i rotate)
//Because i tell at every frame to fix the light at those 2 points
glLightfv(GL_LIGHT0, GL_POSITION, left_light_position);
glLightfv(GL_LIGHT1, GL_POSITION, right_light_position);
glColor3f(0.5,0.5,0.5);
field.getCollisionPlane().draw(Vector3f(0.93, 0.82, 0)); //WTF only certain colors work. JK it's because number must be float.. then why tf there are some 255 every now and then (e.g. axes)
glPushMatrix();
glTranslatef(field.getBlackHoleCentre().x,field.getBlackHoleCentre().y,field.getBlackHoleCentre().z);
glColor3f(0.7,0.5,0);
glutSolidSphere(0.1f,4,4);
glPopMatrix();
field.draw();
//TODO pause button
field.update();
glutSwapBuffers();
}