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phaseReader.cpp
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phaseReader.cpp
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#include "phaseReader.h"
#include <iostream>
#include <fstream>
PhaseReader::PhaseReader() {
numAtoms = 864;
numDimensions = 3;
frameNum = 0;
currDirection = 1;
numFrames = 240;
unInitialized = 1;
}
PhaseReader::~PhaseReader() {
clearAll();
}
void PhaseReader::clearAll() {
for (int x = 0; x < 2; x++) {
struct frame currFrame = frames.back();
frames.pop_back();
clear(currFrame);
}
unInitialized = 1;
}
int PhaseReader::isEmpty() {
return unInitialized;
}
void PhaseReader::clear(struct frame currFrame) {
if (currFrame.pos != NULL) {
for (int i = 0; i < numAtoms; i++) {
if(currFrame.pos[i] != NULL) {
delete []currFrame.pos[i];
}
}
delete []currFrame.pos;
}
if (currFrame.vel != NULL) {
for (int i = 0; i < numAtoms; i++) {
if(currFrame.vel[i] != NULL) {
delete []currFrame.vel[i];
}
}
delete []currFrame.vel;
}
}
vector<struct frame> PhaseReader::getFrames() {
return frames;
}
int PhaseReader::readIn(string filename) {
ifstream phaseFile;
phaseFile.open(filename);
if (!phaseFile.is_open()) {
cerr << "UNABLE TO READ PHASEFILE\n";
return -1;
}
unInitialized = 0;
for (int x = 0; x < numFrames; x++) {
string garbage;
struct frame newFrame;
newFrame.vel = new double*[numAtoms];
newFrame.pos = new double*[numAtoms];
for (int i = 0; i < numAtoms; i++) {
newFrame.vel[i] = new double[numDimensions];
newFrame.pos[i] = new double[numDimensions];
}
for (int i = 0; i < numAtoms; i++) {
phaseFile >> garbage;
phaseFile >> garbage;
phaseFile >> garbage;
for (int j = 0; j < numDimensions; j++) {
phaseFile >> newFrame.pos[i][j];
}
for (int j = 0; j < numDimensions; j++) {
phaseFile >> newFrame.vel[i][j];
}
}
frames.push_back(newFrame);
}
return 1;
}
int PhaseReader::getNumFrames() {
return numFrames;
}
vector<struct scene_object> PhaseReader::getObjects() {
return object_vector;
}
vector<struct scene_velocity> PhaseReader::getVectors() {
return velocity_vector;
}
void PhaseReader::print(struct frame currFrame) {
cout << "Velocity\n";
for (int i = 0; i < numAtoms; i++) {
cout << "(";
for (int j = 0; j < numDimensions; j++) {
cout << currFrame.vel[i][j] << ",";
}
cout << ")\n";
}
cout << "Position\n";
for (int i = 0; i < numAtoms; i++) {
cout << "(";
for (int j = 0; j < numDimensions; j++) {
cout << currFrame.pos[i][j] << ",";
}
cout << ")\n";
}
}
void PhaseReader::update(int velocity, int speed, int expand) {
if (frameNum >= numFrames - 1) {
currDirection = 0;
} else if (frameNum <= 0) {
currDirection = 1;
}
transform_frame_to_object(velocity, expand);
if(currDirection) {
frameNum++;
} else {
frameNum--;
}
}
void PhaseReader::transform_frame_to_object(int velocity, int expand) {
if(!object_vector.empty()) {
object_vector.clear();
}
if (!velocity_vector.empty()) {
velocity_vector.clear();
}
for(int i = 0; i < numAtoms; i++) {
struct scene_object newSceneObj;
Matrix scale(0.01, 0, 0, 0,
0, 0.01, 0, 0,
0, 0, 0.01, 0,
0, 0, 0, 1);
Matrix translate(1, 0, 0, frames.at(frameNum).pos[i][0] / 3.47,
0, 1, 0, frames.at(frameNum).pos[i][1] / 3.47,
0, 0, 1, frames.at(frameNum).pos[i][2] / 3.47,
0, 0, 0, 1);
newSceneObj.object_transformation = translate * scale;
newSceneObj.scenePrim.type = SHAPE_SPHERE;
newSceneObj.scenePrim.material.shininess = 0;
newSceneObj.scenePrim.material.textureMap = NULL;
newSceneObj.scenePrim.material.bumpMap = NULL;
newSceneObj.scenePrim.material.blend = 0.5;
SceneColor color;
color.r = .3;
color.g = .5;
color.b = .5;
color.a = .2;
newSceneObj.scenePrim.material.cAmbient = color;
newSceneObj.scenePrim.material.cDiffuse = color;
newSceneObj.scenePrim.material.cSpecular = color;
newSceneObj.scenePrim.material.cReflective = color;
newSceneObj.scenePrim.material.cEmissive = color;
object_vector.push_back(newSceneObj);
if (expand) {
unsigned aMask = 1;
unsigned bMask = 2;
unsigned cMask = 4;
for (unsigned j = 1; j < 8; j++) {
unsigned a = j & aMask;
unsigned b = j & bMask;
unsigned c = j & cMask;
b = b >> 1;
c = c >> 2;
struct scene_object newObj;
/*
for (int x = 0; x > (int)(-1 - a); x--) {
for (int y = 0; y > (int)(-1 - b); y--) {
for (int z = 0; z > (int)(-1 - c); z--) {
Matrix translate1(1, 0, 0, frames.at(frameNum).pos[i][0] / 3.47 + x,
0, 1, 0, frames.at(frameNum).pos[i][1] / 3.47 + y,
0, 0, 1, frames.at(frameNum).pos[i][2] / 3.47 + z,
0, 0, 0, 1);
newObj.object_transformation = translate1 * scale;
newObj.scenePrim.type = SHAPE_SPHERE;
newObj.scenePrim.material.shininess = 0;
newObj.scenePrim.material.textureMap = NULL;
newObj.scenePrim.material.bumpMap = NULL;
newObj.scenePrim.material.blend = 0.5;
newObj.scenePrim.material.cAmbient = color;
newObj.scenePrim.material.cDiffuse = color;
newObj.scenePrim.material.cSpecular = color;
newObj.scenePrim.material.cReflective = color;
newObj.scenePrim.material.cEmissive = color;
object_vector.push_back(newObj);
}
}
}
*/
Matrix translate0(1, 0, 0, frames.at(frameNum).pos[i][0] / 3.47 + a,
0, 1, 0, frames.at(frameNum).pos[i][1] / 3.47 + b,
0, 0, 1, (frames.at(frameNum).pos[i][2] / 3.47) + c,
0, 0, 0, 1);
newObj.object_transformation = translate0 * scale;
newObj.scenePrim.type = SHAPE_SPHERE;
newObj.scenePrim.material.shininess = 0;
newObj.scenePrim.material.textureMap = NULL;
newObj.scenePrim.material.bumpMap = NULL;
newObj.scenePrim.material.blend = 0.5;
newObj.scenePrim.material.cAmbient = color;
newObj.scenePrim.material.cDiffuse = color;
newObj.scenePrim.material.cSpecular = color;
newObj.scenePrim.material.cReflective = color;
newObj.scenePrim.material.cEmissive = color;
object_vector.push_back(newObj);
}
}
if (/*velocity*/true) {
scene_velocity thevector;
thevector.begin = Point(frames.at(frameNum).pos[i][0] / 3.47,
frames.at(frameNum).pos[i][1] / 3.47,
frames.at(frameNum).pos[i][2] / 3.47);
thevector.thevector = Vector(frames.at(frameNum).vel[i][0] / 10,
frames.at(frameNum).vel[i][1] / 10,
frames.at(frameNum).vel[i][2] / 10);
velocity_vector.push_back(thevector);
/*struct scene_object cylinder;
double velocityMag = sqrt(pow(frames.at(frameNum).vel[i][0],2) +
pow(frames.at(frameNum).vel[i][1],2) +
pow(frames.at(frameNum).vel[i][2],2));
Vector velocityDir(frames.at(frameNum).vel[i][0],
frames.at(frameNum).vel[i][1],
frames.at(frameNum).vel[i][2]);
velocityDir.normalize();
Vector cylinderPoint(frames.at(frameNum).pos[i][0] / 3.47
+ sqrt(velocityMag/100) * (velocityDir[0] / 3.47),
frames.at(frameNum).pos[i][1] / 3.47
+ sqrt(velocityMag / 100) * (velocityDir[1] / 3.47),
frames.at(frameNum).pos[i][2] / 3.47
+ sqrt(velocityMag / 100) * (velocityDir[2] / 3.47));
Matrix cylinderTranslate = trans_mat(cylinderPoint);
Matrix cylinderScale(0.005, 0, 0, 0,
0, velocityMag / 15, 0, 0,
0, 0, 0.005, 0,
0, 0, 0, 1);
Vector xHat(1, 0, 0);
Vector crossProd = cross(xHat, velocityDir);
crossProd.normalize();
double alpha = acos(dot(xHat, velocityDir));
double c = cos(alpha);
double s = sin(alpha);
Matrix toVelocity(crossProd[0] * crossProd[0] * (1 - c) + c,
crossProd[0] * crossProd[1] * (1 - c) - s * crossProd[2],
crossProd[0] * crossProd[2] * (1 - c) + s * crossProd[1], 0,
crossProd[0] * crossProd[1] * (1 - c) + s * crossProd[2],
crossProd[1] * crossProd[1] * (1 - c) + c,
crossProd[1] * crossProd[2] * (1 - c) - s * crossProd[0], 0,
crossProd[0] * crossProd[2] * (1 - c) - s * crossProd[1],
crossProd[1] * crossProd[2] * (1 - c) - s * crossProd[0],
crossProd[2] * crossProd[2] * (1 - c) + c, 0,
0,0,0,1);
//cylinder.object_transformation = cylinderTranslate * rotY_mat(yAngle) * rotZ_mat(zAngle) * cylinderScale;
cylinder.object_transformation = cylinderTranslate * toVelocity * rotZ_mat(PI/2) * cylinderScale;
cylinder.scenePrim.type = SHAPE_CYLINDER;
cylinder.scenePrim.material.shininess = 0;
cylinder.scenePrim.material.textureMap = NULL;
cylinder.scenePrim.material.bumpMap = NULL;
cylinder.scenePrim.material.blend = 0.5;
color.r = .3;
color.g = .8;
color.b = .7;
color.a = .2;
cylinder.scenePrim.material.cAmbient = color;
cylinder.scenePrim.material.cDiffuse = color;
cylinder.scenePrim.material.cSpecular = color;
cylinder.scenePrim.material.cReflective = color;
cylinder.scenePrim.material.cEmissive = color;
object_vector.push_back(cylinder);*/
}
}
}
int PhaseReader::getFrameNum() {
return frameNum;
}