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#include "arap.h"
#include "graphics/meshloader.h"
#include <iostream>
#include <set>
#include <map>
#include <vector>
#include <Eigen/Core>
#include <Eigen/Sparse>
#include <Eigen/SVD>
#include <QImage>
#include "ocean/ocean.h"
using namespace std;
using namespace Eigen;
ARAP::ARAP() {}
void ARAP::init
(
Eigen::Vector3f &coeffMin,
Eigen::Vector3f &coeffMax
)
{
m_num_iterations = 1000;
m_mesh_path = "meshes/bunny.obj";
vector<Vector3f> vertices;
vector<Vector3i> triangles;
// If this doesn't work for you, remember to change your working directory
// if (MeshLoader::loadTriMesh(m_mesh_path, vertices, triangles)) {
// m_shape.init(vertices, triangles);
// }
m_ocean.update_ocean();
vertices = m_ocean.get_vertices();
triangles = m_ocean.get_faces();
m_shape.init(vertices, triangles);
m_foam_shape.init(vertices, triangles);
m_shape.setColor(0.27f, .803f, .96f);
// Students, please don't touch this code: get min and max for viewport stuff
MatrixX3f all_vertices = MatrixX3f(vertices.size(), 3);
int i = 0;
for (unsigned long i = 0; i < vertices.size(); ++i) {
all_vertices.row(i) = vertices[i];
}
coeffMin = all_vertices.colwise().minCoeff();
coeffMax = all_vertices.colwise().maxCoeff();
minCorner = coeffMin;
maxCorner = coeffMax;
//
std::cout << "minCorner: " << minCorner << std::endl;
std::cout << "maxCorner: " << maxCorner << std::endl;
//
// minCorner = Vector3f(0.0f, 0.0f, 0.0f);
// maxCorner = Vector3f(1.0f, 0.0f, 1.0f);
//
// std::cout << "minCorner: " << minCorner << std::endl;
// std::cout << "maxCorner: " << maxCorner << std::endl;
//
// minCorner = Vector3f(-1.0f, -1.0f, -1.0f);
// maxCorner = Vector3f(1.0f, 1.0f, 1.0f);
initCausticsShape(1000);
}
void ARAP::update(double seconds)
{
// STUDENTS: This method should contain all the time-stepping logic for your simulation.
// Specifically, the code you write here should compute new, updated vertex positions for your
// simulation mesh, and it should then call m_shape.setVertices to update the display with those
// newly-updated vertices.
// STUDENTS: As currently written, the program will just continually compute simulation timesteps as long
// as the program is running (see View::tick in view.cpp) . You might want to e.g. add a hotkey for pausing
// the simulation, and perhaps start the simulation out in a paused state.
// Note that the "seconds" parameter represents the amount of time that has passed since
// the last update
m_ocean.fft_prime(m_time);
m_ocean.update_ocean();
std::vector<Eigen::Vector3f> normals = m_ocean.getNormals();
m_shape.setVertices_and_Normals(m_ocean.get_vertices(), normals );
// m_shape.setVertices(m_ocean.get_vertices());
// auto tmp = m_ocean.get_vertices();
// print the min and max of the vertices
// Vector3f min = Vector3f::Ones() * 1000000;
// Vector3f max = Vector3f::Ones() * -1000000;
// for (int i = 0; i < tmp.size(); i++) {
// min = min.cwiseMin(tmp[i]);
// max = max.cwiseMax(tmp[i]);
// }w
// std::cout << "min: " << min << std::endl;
//std::cout << "max: " << max << std::endl;
FoamConstants foam = m_ocean.getFoamConstants();
std::vector<float> tiled_wavelengths = m_ocean.get_tiled_wavelengths();
std::vector<Eigen::Vector2f> tiled_k_vectors = m_ocean.get_tiled_k_vectors();
m_foam_shape.setFoamInputs(m_ocean.get_vertices(), tiled_wavelengths, normals, foam.texCoords);
m_time += m_timestep;
// std::cout << m_time << std::endl;
}
// Move an anchored vertex, defined by its index, to targetPosition
void ARAP::move
(
int vertex,
Vector3f targetPosition
)
{
std::cout << "moving vertex: " << vertex << std::endl;
// Here are some helpful controls for the application
//
// - You start in first-person camera mode
// - WASD to move, left-click and drag to rotate
// - R and F to move vertically up and down
//
// - C to change to orbit camera mode
//
// - Right-click (and, optionally, drag) to anchor/unanchor points
// - Left-click an anchored point to move it around
//
// - Minus and equal keys (click repeatedly) to change the size of the vertices
}
void ARAP::initCausticsShape(int res) {
// std::vector<Eigen::Vector3f> gridPoints;
// float step = 2.f / ((float) res);
// for (int i = 0; i < res; ++i) {
// for (int j = 0; j < res; ++j) {
// float x = -1.f + i * step; // calculate x coordinate
// float y = -1.f + j * step; // calculate y coordinate
// gridPoints.push_back(Eigen::Vector3f(x, y, 0.f)); // add point to grid
// }
// }
// std::vector<Eigen::Vector3f> verts;
// float step = 2.f / ((float) res);
// for (int i = 0; i < res; ++i) {
// for (int j = 0; j < res; ++j) {
// float x = -1.f + i * step; // calculate x coordinate
// float y = -1.f + j * step; // calculate y coordinate
// Eigen::Vector3f bottomLeft = Eigen::Vector3f(x, y, 0.f);
// Eigen::Vector3f bottomRight = Eigen::Vector3f(x + step, y, 0.f);
// Eigen::Vector3f topRight = Eigen::Vector3f(x + step, y + step, 0.f);
// Eigen::Vector3f topLeft = Eigen::Vector3f(x, y + step, 0.f);
// verts.push_back(topLeft);
// verts.push_back(bottomLeft);
// verts.push_back(bottomRight);
// verts.push_back(topLeft);
// verts.push_back(bottomRight);
// verts.push_back(topRight);
// }
// }
// m_causticsShape.setVertices(verts);
std::vector<Eigen::Vector3f> verts;
std::vector<Eigen::Vector3i> faces;
float size = 2.f;
float step = size / ((float) res);
for (int i = 0; i <= res; ++i) {
for (int j = 0; j <= res; ++j) {
float x = -(size / 2.f) + i * step; // calculate x coordinate
float y = -(size / 2.f) + j * step; // calculate y coordinate
Eigen::Vector3f bottomLeft = Eigen::Vector3f(x, y, 0.f);
verts.push_back(bottomLeft);
}
}
for (int i = 0; i < res; ++i) {
for (int j = 0; j < res; ++j) {
int bottomLeft = i * (res + 1) + j;
int bottomRight = i * (res + 1) + j + 1;
int topRight = (i + 1) * (res + 1) + j + 1;
int topLeft = (i + 1) * (res + 1) + j;
faces.push_back(Eigen::Vector3i(topLeft, bottomLeft, bottomRight));
faces.push_back(Eigen::Vector3i(topLeft, bottomRight, topRight));
faces.push_back(Eigen::Vector3i(bottomRight, bottomLeft, topLeft));
faces.push_back(Eigen::Vector3i(topRight, bottomRight, topLeft));
}
}
m_causticsShape.init(verts, faces);
m_causticsShape.setColor(0.27f, .803f, .96f);
}
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