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ModelGen.cpp
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ModelGen.cpp
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#include "ModelGen.h"
#include "LightNode.h"
#include "Lightsource.h"
#include "EnvironmentNode.h"
#include "BoolState.h"
//Model Animations
mat4 rotateSun(float theta) {
return rZ(theta/8.0f);
}
mat4 rotateWheel(float theta) {
return rZ(25 * theta);
}
mat4 driveCar(float theta) {
return rY(theta);
}
//Model Generators
EnvironmentNode* genSun(const mat4& initTrans) {
EnvironmentNode* temp = new EnvironmentNode(BoolState(0u, 1u), initTrans, MatMath::ID, rotateSun);
temp->addChild(*new ObjectNode(Global::sunDisk));
return temp;
}
ObjectNode* genGround(float height, float size, const mat4& initTrans, const mat4& initSkew) {
mat4 tempTrans = translate(0.0, -height, 0.0);
mat4 tempRotate = rX(-M_PI/2.0);
return new ObjectNode( Global::groundSquare, initTrans * tempTrans * scale(size) *
tempRotate, initSkew * tempRotate );
}
ObjectNode* genWheel(const mat4& initTrans, const mat4& initSkew) {
ObjectNode* wheel = new ObjectNode(nullptr, initTrans, initSkew);
mat4 rotMat = rX(M_PI/2.0);
mat4 tempTransform = distort(0.1, 0.1, 0.6);
wheel->addChild( *new ObjectNode(Global::wheelCylinder, rotMat * tempTransform, rotMat, rotateWheel) );
mat4 tempRotate = rZ(M_PI/4.0);
wheel->addChild( *new ObjectNode( Global::wheelCylinder, tempRotate * rotMat * tempTransform,
tempRotate * rotMat, rotateWheel ) );
tempRotate = rZ(M_PI/2.0);
wheel->addChild( *new ObjectNode( Global::wheelCylinder, tempRotate * rotMat * tempTransform,
tempRotate * rotMat, rotateWheel ) );
tempRotate = rZ(-M_PI/4.0);
wheel->addChild( *new ObjectNode( Global::wheelCylinder, tempRotate * rotMat * tempTransform,
tempRotate * rotMat, rotateWheel ) );
wheel->addChild( *new ObjectNode( Global::wheelTube, distort(1.0, 1.0, 0.2), MatMath::ID,
rotateWheel ) );
return wheel;
}
ObjectNode* genChassis(const mat4& initTrans, const mat4& initSkew, const color4& paint) {
ObjectNode* chassis = new ObjectNode(nullptr, initTrans, initSkew);
mat4 tempRotate = rX(M_PI/2.0);
chassis->addChild( *new ObjectNode(Global::carSphere, distort(2.0, 0.5, 1.0) * tempRotate,
distort(0.5, 2.0, 1.0) * tempRotate) );
chassis->addChild( *new ObjectNode( Global::carSphere,
translate(0.3, 0.25, 0.0) * distort(1.25, 0.5, 0.85),
distort(0.8, 2.0, 1/0.85)) );
mat4 tempSkew = distort(0.35, 0.2, 1.0);
mat4 tempTrans = translate(-2.0, -1.0, 0.0);
chassis->addChild( *new ObjectNode(Global::carCube, tempSkew * tempTrans) );
tempTrans[0][3] = 2.85;
chassis->addChild( *new ObjectNode(Global::carCube, tempSkew * tempTrans) );
return chassis;
}
ObjectNode* genCar(const mat4& initTrans, const mat4& initSkew, const color4& paint) {
ObjectNode* car = new ObjectNode(nullptr, initTrans, initSkew);
car->addChild(*genChassis(MatMath::ID, MatMath::ID, paint));
mat4 tempSkew = scale(0.3);
mat4 tempTrans = translate(-0.7, -0.36, 0.75);
car->addChild(*genWheel(tempTrans * tempSkew));
tempTrans[0][3] = 1.01;
car->addChild(*genWheel(tempTrans * tempSkew));
tempTrans[2][3] = -0.75;
car->addChild(*genWheel(tempTrans * tempSkew));
tempTrans[0][3] = -0.7;
car->addChild(*genWheel(tempTrans * tempSkew));
return car;
}
ObjectNode* genRoad(const mat4& initTrans, const mat4& initSkew, float thinness) {
mat4 tempRotate = rX(-M_PI/2.0);
return new ObjectNode(Global::roadRing, initTrans * tempRotate, initSkew * tempRotate);
}
ObjectNode* genDrivingScene(float thinness, const mat4& initTrans, const mat4& initSkew) {
ObjectNode* road = new ObjectNode(nullptr, initTrans, initSkew);
road->addChild(*genRoad(MatMath::ID, MatMath::ID, thinness));
const float width = 1.0 - 0.5 * thinness;
mat4 tempTrans = translate(0.0, 0.1 * width, -0.5 * (thinness + width) + 0.1 * width);
ObjectNode* temp = new ObjectNode(nullptr, MatMath::ID, MatMath::ID, driveCar);
temp->addChild(*genCar(tempTrans * scale(0.15 * width)));
road->addChild(*temp);
return road;
}
ObjectNode* genLeaf(float prob, const mat4& initTrans, const mat4& initSkew) {
const int colorInd = bernoulli() < prob ? 1 : 0;
return new ObjectNode( Global::leaf[colorInd], initTrans * rZ(M_PI/12.0),
initSkew * rZ(M_PI/12.0) );
}
ObjectNode* genLeafBunch(float rho, float radius, float prob, int numLeaves,
const mat4& initTrans, const mat4& initSkew)
{
ObjectNode* bunch = new ObjectNode(nullptr, initTrans, initSkew);
mat4 rotMat = MatMath::ID;
mat4 tempTrans = translate(0.0, radius, 0.0);
mat4 tempRotate = rY( randNum(0.0, 2.0 * M_PI) ) *
rZ(randNum(0.0, rho) );
ObjectNode* temp = new ObjectNode(nullptr, tempRotate * tempTrans, tempRotate);
temp->addChild(*genLeaf(prob));
bunch->addChild(*temp);
for (int i = 1; i < numLeaves; ++i) {
rotMat = rY( randNum(0.0, 2.0 * M_PI) ) *
rX( randNum(0.0, M_PI/2.0) );
tempRotate = rY( randNum(0.0, 2.0 * M_PI) ) *
rX( randNum(0.0, rho) );
temp = new ObjectNode(nullptr, tempRotate * tempTrans * rotMat, tempRotate * rotMat);
temp->addChild(*genLeaf(prob));
bunch->addChild(*temp);
}
return bunch;
}
ObjectNode* genBranch(int branching, int maxDepth, int density, float scaleFactor, float seasonProb,
const mat4& initTrans, const mat4& initSkew, int currentDepth)
{
mat4 tempTrans = distort(0.2, 1.0, 0.2);
mat4 tempMove = translate(0.0, 1.0, 0.0);
mat4 tempSkew = distort(5.0, 1.0, 5.0);
mat4 tempRotate = rX(M_PI/2.0);
ObjectNode* branch = new ObjectNode(nullptr, initTrans, initSkew);
branch->addChild(*new ObjectNode( Global::treeCone, tempMove * tempTrans * tempRotate,
tempSkew * tempRotate ) );
if (currentDepth < maxDepth) {
const int branchFact = branching;
mat4 tempRotate = rZ(M_PI/6.0);
mat4 rotMat = rY(2.0 * M_PI / branchFact);
tempTrans = scale(scaleFactor);
tempMove = translate(0.0, 1.5, 0.0);
mat4 twist = rY(M_PI / branchFact) * tempMove;
mat4 loopTemp = rotMat * tempRotate;
for (int i = 0; i < branchFact; ++i) {
loopTemp = rotMat * loopTemp;
branch->addChild( *genBranch( branching, maxDepth, density, scaleFactor, seasonProb,
twist * loopTemp * tempTrans, loopTemp, currentDepth + 1 ) );
}
}
return branch;
}
ObjectNode* genTree(int branching, int maxDepth, int density, float scaleFactor, float seasonProb, float height,
const mat4& initTrans, const mat4& initSkew)
{
ObjectNode* tree = new ObjectNode(nullptr,initTrans, initSkew);
mat4 tempRotate = rX(M_PI/2.0);
mat4 tempTrans = distort(1.0, 0.2, 1.0);
mat4 tempSkew = distort(1.0, 5.0, 1.0);
mat4 tempMove = translate(0.0, -2.0, 0.0);
tree->addChild( *new ObjectNode( Global::treeCone, tempMove * tempTrans * tempRotate,
tempSkew * tempRotate) );
tempTrans = distort(0.3, height, 0.3);
tempMove[1][3] = height - 2.0;
tree->addChild( *new ObjectNode(Global::treeCylinder, tempMove * tempTrans * tempRotate, tempRotate) );
tempMove[1][3] = height * 0.6 + 0.1;
tree->addChild( *genBranch(branching, maxDepth, density, scaleFactor, seasonProb, tempMove) );
mat4 rotMat = rY(2.0 * M_PI/4.0);
tempSkew = rZ(M_PI/4.0);
for (int i = 0; i < 4; ++i) {
tempSkew = rotMat * tempSkew;
tree->addChild( *genBranch(branching, maxDepth, density, scaleFactor, seasonProb,
tempMove * tempSkew, tempSkew) );
}
tree->addChild( *genLeafBunch(M_PI/2.0, 3.0, 0.5, density,
translate(0.0, height, 0.0) * scale(0.7)) );
return tree;
}
ObjectNode* genForest(int numTrees, float minR, float maxR, const mat4& initTrans, const mat4& initSkew) {
ObjectNode* forest = new ObjectNode(nullptr, initTrans, initSkew);
mat4 rotMat = rY(0.3 * numTrees + 2.0 * M_PI / numTrees);
mat4 tempPosit = MatMath::ID;
for (int i = 0; i < numTrees; ++i, rotMat *= rotMat) {
tempPosit = rotMat * translate(0.0, 0.0, -randNum(minR, maxR));
forest->addChild( *genTree( 3, 2, 150, 0.5, 0.5, 1.6, tempPosit, tempPosit ) );
}
return forest;
}
ObjectNode* genFirePlace(const mat4& initTrans, const mat4& initSkew) {
return new ObjectNode(Global::furnTube, initTrans * rZ(M_PI/4.0), initSkew * rZ(M_PI/4.0));
}
ObjectNode* genBed(const mat4& initTrans, const mat4& initSkew) {
ObjectNode* bed = new ObjectNode(nullptr, initTrans, initSkew);
bed->addChild( *new ObjectNode(Global::furnCube0, translate(0.5, 0.0, 0.0) * distort(0.3, 0.2, 0.4)) );
bed->addChild( *new ObjectNode(Global::furnCube1, translate(-0.5, 0.0, 0.0) * distort(0.7, 0.2, 0.4)) );
bed->addChild( *new ObjectNode( Global::treeCylinder,
translate(-1.1, -0.3, 0.3) * scale(0.1) * rX(M_PI/2.0),
rX(M_PI/2.0)) );
bed->addChild( *new ObjectNode( Global::treeCylinder, translate(0.7, -0.3, 0.3) *
scale(0.1) * rX(M_PI/2.0), rX(M_PI/2.0)) );
bed->addChild( *new ObjectNode( Global::treeCylinder, translate(0.7, -0.3, -0.3) *
scale(0.1) * rX(M_PI/2.0), rX(M_PI/2.0)) );
bed->addChild( *new ObjectNode( Global::treeCylinder, translate(-1.1, -0.3, -0.3) *
scale(0.1) * rX(M_PI/2.0), rX(M_PI/2.0)) );
return bed;
}
ObjectNode* genChair(const mat4& initTrans, const mat4& initSkew) {
ObjectNode* chair = new ObjectNode(nullptr, initTrans, initSkew);
chair->addChild( *new ObjectNode(Global::furnCube1, distort(0.5, 0.2, 0.4)) );
chair->addChild( *new ObjectNode( Global::furnCube1, translate(-0.5, 0.5, 0.0) *
rZ(M_PI/8.0) * distort(0.15, 0.45, 0.4), rZ(M_PI/8.0)) );
chair->addChild( *new ObjectNode( Global::furnCube1, translate(0.0, 0.3, 0.45) *
distort(0.4, 0.1, 0.1)) );
chair->addChild( *new ObjectNode( Global::furnCube1, translate(0.0, 0.3, -0.45) *
distort(0.4, 0.1, 0.1)) );
chair->addChild( *new ObjectNode( Global::treeCylinder, translate(-0.4, -0.3, 0.3) *
scale(0.1) * rX(M_PI/2.0), rX(M_PI/2.0)) );
chair->addChild( *new ObjectNode( Global::treeCylinder, translate(0.4, -0.3, 0.3) *
scale(0.1) * rX(M_PI/2.0), rX(M_PI/2.0)) );
chair->addChild( *new ObjectNode( Global::treeCylinder, translate(0.4, -0.3, -0.3) *
scale(0.1) * rX(M_PI/2.0), rX(M_PI/2.0)) );
chair->addChild( *new ObjectNode( Global::treeCylinder, translate(-0.4, -0.3, -0.3) *
scale(0.1) * rX(M_PI/2.0), rX(M_PI/2.0)) );
return chair;
}
ObjectNode* genHouseOut(const mat4& initTrans, const mat4& initSkew) {
ObjectNode* house = new ObjectNode(nullptr, initTrans, initSkew);
const float height = 0.5;
house->addChild( *new ObjectNode( Global::houseCube, translate(0.0, -height, 0.0) *
distort(1.0, 0.01, 1.0) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(0.0, 0.0, -1.0) *
distort(1.0, height, 0.01) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(1.0, 0.0, 0.0) *
distort(0.01, height, 1.0) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(-1.0, 0.0, 0.0) *
distort(0.01, height, 1.0) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(0.58, 0.0, 1.0) *
distort(0.42, height, 0.01) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(-0.58, 0.0, 1.0) *
distort(0.42, height, 0.01) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(0.0, 0.35, 1.0) *
distort(0.25, 0.3 * height, 0.01) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(-0.29, -0.16, 1.13) *
rY(M_PI/4.0) * distort(0.2, 0.7 * height, 0.01), rY(M_PI/4.0) ) );
house->addChild( *new ObjectNode( Global::housePyramid,
translate(0.0, 0.85, 0.0) * scale(1.7) * distort(1.0, 0.2, 1.0) *
rY(M_PI/4.0) * rX(M_PI/2.0),
distort(1.0, 5.0, 1.0) * rY(M_PI/4.0) * rX(M_PI/2.0) ) );
return house;
}
EnvironmentNode* genHouseIn(const mat4& initTrans, const mat4& initSkew) {
EnvironmentNode* house = new EnvironmentNode(BoolState(1u, 0u), initTrans, initSkew);
house->addChild(
*new LightNode(Lightsource("pointLight", false), translate(0.0, -0.35, -0.87)) );
const float height = 0.5;
house->addChild( *new ObjectNode(Global::houseSquare, translate(0.0, -height + 0.02, 0.0) *
rX(M_PI/2.0), rX(M_PI/2.0) ) );
house->addChild( *new ObjectNode(Global::houseSquare, translate(0.0, height - 0.02, 0.0) *
rX(M_PI/2.0), rX(M_PI/2.0) ) );
house->addChild( *new ObjectNode( Global::houseSquare, translate(0.0, 0.0, -0.98) *
distort(1.0, height, 1.0) ) );
house->addChild( *new ObjectNode( Global::houseSquare, translate(0.98, 0.0, 0.0) *
distort(1.0, height, 1.0) * rY(M_PI/2.0), rY(M_PI/2.0) ) );
house->addChild( *new ObjectNode( Global::houseSquare, translate(-0.98, 0.0, 0.0) *
distort(1.0, height, 1.0) * rY(M_PI/2.0), rY(M_PI/2.0) ) );
house->addChild( *new ObjectNode( Global::houseSquare, translate(0.58, 0.0, 0.98) *
distort(0.42, height, 1.0) ) );
house->addChild( *new ObjectNode( Global::houseSquare, translate(-0.58, 0.0, 0.98) *
distort(0.42, height, 1.0) ) );
house->addChild( *new ObjectNode( Global::houseSquare, translate(0.0, 0.35, 0.98) *
distort(0.25, 0.3 * height, 1.0) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(-0.2, 0.0, 0.6) *
distort(0.01, height, 0.4) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(0.2, 0.0, 0.6) *
distort(0.01, height, 0.4) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(-0.75, 0.0, 0.2) *
distort(0.25, height, 0.01) ) );
house->addChild( *new ObjectNode( Global::houseCube, translate(0.75, 0.0, 0.2) *
distort(0.25, height, 0.01) ) );
house->addChild( *genFirePlace( translate(0.0, -0.35, -0.95) *
distort(1.5, 1.25, 0.2) * scale(0.25) ));
house->addChild( *genBed(translate(-0.5, -0.37, 0.85) * scale(0.3)) );
house->addChild( *genBed(translate(0.65, -0.37, 0.85) * scale(0.3)) );
house->addChild( *genChair(translate(-0.3, -0.4, -0.35) *
rY(M_PI/4.0) * scale(0.2), rY(M_PI/4.0)) );
house->addChild( *genChair(translate(0.25, -0.4, -0.3) *
rY(M_PI/2.0) * scale(0.2), rY(M_PI/2.0)) );
house->addChild( *genChair(translate(0.8, -0.4, -0.4) *
rY(M_PI) * distort(1.0, 1.0, 3.0) * scale(0.2), rY(M_PI)) );
return house;
}
ObjectNode* genHouse(const mat4& initTrans, const mat4& initSkew) {
ObjectNode* house = new ObjectNode(nullptr, initTrans, initSkew);
house->addChild(*genHouseOut());
house->addChild(*genHouseIn());
return house;
}
EnvironmentNode* genIdyll(int numRows, float thinness, const mat4& initTrans, const mat4& initSkew) {
EnvironmentNode* scene = new EnvironmentNode(BoolState(0u, 0u), initTrans, initSkew);
scene->addChild( *new LightNode(Lightsource("directLight", true), MatMath::ID, rotateSun) );
scene->addChild( *genDrivingScene(thinness) );
scene->addChild( *genGround(0.001, 20.0) );
mat4 tempRotate = MatMath::ID;
for (int i = 0, numTrees = 5; i < numRows; ++i, numTrees += 5) {
scene->addChild( *genForest(numTrees, 11.0 + i * 10.0, 8.0 + (i + 1) * 10.0,
translate(0.0, 0.32, 0.0) * scale(0.15) ));
}
scene->addChild( *genHouse(translate(0.0, 0.1, 0.0) * scale(0.2)) );
return scene;
}