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main.cpp
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main.cpp
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#include "tdraw.h"
#include "timage.h"
#include "tinput.h"
#include "tmatrix4x4.h"
#include "tmodel.h"
#include <iostream>
float toRad(float degree) { return degree * (M_PI / 180.0f); }
int main(int argc, char *argv[]) {
// Obtenemos datos de entrada
TInput input;
// Obtenemos información del modelo 3D
TModel model;
input.getInput(argc, argv, model);
model.getInfo(input.in_filename);
model.info.resolution = input.resolution;
/* Realizamos transformaciones*/
// Si hay rotación
// if (input.rotate_given)
// model.rotate(input.rotate_vector);
// model.rotate(TVector3D(toRad(0), toRad(180), 0));
// Si hay multiplicación por escalar
// if (input.scale_given)
// model.scale(TVector3D(100, 100, 100));
// model.scale(input.scale_vector);
// Si hay traslación
// if (input.translate_given)
// model.translate(TVector3D(100, 100, -100));
/* Rasterizamos el modelo 3D */
// Creamos imagen
TImage frame(input.resolution.x, input.resolution.y);
// Aplicamos algoritmo
TDraw draw;
float rotate = 0;
int frames = model.info.tiempo * 60 * 24;
float t, k0, k1, k2, k3;
TPoint interpolated;
char name[255];
if (model.info.wireframe) {
struct bezier_curve *curve = &model.info.cbezier;
for (int i = 0; i <= frames; ++i) {
// Rotamos
rotate += 0.01;
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0));
// model.scale(TVector3D(rotate, rotate, rotate));
t = i / static_cast<float>(frames);
k0 = (1 - t) * (1 - t) * (1 - t);
k1 = 3 * (1 - t) * (1 - t) * t;
k2 = 3 * (1 - t) * t * t;
k3 = t * t * t;
interpolated.x = static_cast<int>(curve->p0.x * k0 + curve->p1.x * k1 +
curve->p2.x * k2 + curve->p3.x * k3);
interpolated.y = static_cast<int>(curve->p0.y * k0 + curve->p1.y * k1 +
curve->p2.y * k2 + curve->p3.y * k3);
draw.wireframe(frame.getData(), input.resolution, model, interpolated);
// Guardamos frame
sprintf(name, "%06d", i);
frame.save(std::string(name) + ".png");
frame.restart();
memset(name, 0, 255);
}
} else if (model.info.faceHiding) {
struct bezier_curve *curve = &model.info.cbezier;
for (int i = 0; i <= frames; ++i) {
// Rotamos
rotate += 0.01;
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0));
// model.scale(TVector3D(rotate, rotate, rotate));
t = i / static_cast<float>(frames);
k0 = (1 - t) * (1 - t) * (1 - t);
k1 = 3 * (1 - t) * (1 - t) * t;
k2 = 3 * (1 - t) * t * t;
k3 = t * t * t;
interpolated.x = static_cast<int>(curve->p0.x * k0 + curve->p1.x * k1 +
curve->p2.x * k2 + curve->p3.x * k3);
interpolated.y = static_cast<int>(curve->p0.y * k0 + curve->p1.y * k1 +
curve->p2.y * k2 + curve->p3.y * k3);
draw.faceHiding(frame.getData(), input.resolution, model, interpolated);
// Guardamos frame
sprintf(name, "%06d", i);
frame.save(std::string(name) + ".png");
frame.restart();
memset(name, 0, 255);
}
} else if (model.info.zBuffer) {
struct bezier_curve *curve = &model.info.cbezier;
for (int i = 0; i <= frames; ++i) {
// Rotamos
rotate += 0.01;
model.rotate(TVector3D(0, toRad(rotate), 0));
// model.scale(TVector3D(rotate, rotate, rotate));
t = i / static_cast<float>(frames);
k0 = (1 - t) * (1 - t) * (1 - t);
k1 = 3 * (1 - t) * (1 - t) * t;
k2 = 3 * (1 - t) * t * t;
k3 = t * t * t;
interpolated.x = static_cast<int>(curve->p0.x * k0 + curve->p1.x * k1 +
curve->p2.x * k2 + curve->p3.x * k3);
interpolated.y = static_cast<int>(curve->p0.y * k0 + curve->p1.y * k1 +
curve->p2.y * k2 + curve->p3.y * k3);
draw.zBuffer(frame.getData(), frame.getDepthBuffer(), input.resolution,
model, interpolated);
// Guardamos frame
sprintf(name, "%06d", i);
frame.save(std::string(name) + ".png");
frame.restart();
memset(name, 0, 255);
}
} else if (model.info.flatShading) {
struct bezier_curve *curve = &model.info.cbezier;
for (int i = 0; i <= frames; ++i) {
// Rotamos
rotate += 0.01;
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0));
// model.scale(TVector3D(rotate, rotate, rotate));
t = i / static_cast<float>(frames);
k0 = (1 - t) * (1 - t) * (1 - t);
k1 = 3 * (1 - t) * (1 - t) * t;
k2 = 3 * (1 - t) * t * t;
k3 = t * t * t;
interpolated.x = static_cast<int>(curve->p0.x * k0 + curve->p1.x * k1 +
curve->p2.x * k2 + curve->p3.x * k3);
interpolated.y = static_cast<int>(curve->p0.y * k0 + curve->p1.y * k1 +
curve->p2.y * k2 + curve->p3.y * k3);
draw.flatShading(frame.getData(), frame.getDepthBuffer(),
input.resolution, model, interpolated);
// Guardamos frame
sprintf(name, "%06d", i);
frame.save(std::string(name) + ".png");
frame.restart();
memset(name, 0, 255);
}
} else if (model.info.gourand) {
struct bezier_curve *curve = &model.info.cbezier;
for (int i = 0; i <= frames; ++i) {
// Rotamos
rotate += 0.01;
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0));
// model.scale(TVector3D(rotate, rotate, rotate));
t = i / static_cast<float>(frames);
k0 = (1 - t) * (1 - t) * (1 - t);
k1 = 3 * (1 - t) * (1 - t) * t;
k2 = 3 * (1 - t) * t * t;
k3 = t * t * t;
interpolated.x = static_cast<int>(curve->p0.x * k0 + curve->p1.x * k1 +
curve->p2.x * k2 + curve->p3.x * k3);
interpolated.y = static_cast<int>(curve->p0.y * k0 + curve->p1.y * k1 +
curve->p2.y * k2 + curve->p3.y * k3);
draw.gourandShading(frame.getData(), frame.getDepthBuffer(),
input.resolution, model, interpolated);
// Guardamos frame
sprintf(name, "%06d", i);
frame.save(std::string(name) + ".png");
frame.restart();
memset(name, 0, 255);
}
} else if (model.info.phong) {
struct bezier_curve *curve = &model.info.cbezier;
for (int i = 0; i <= frames; ++i) {
// Rotamos
rotate += 0.01;
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0));
// model.scale(TVector3D(rotate, rotate, rotate));
t = i / static_cast<float>(frames);
k0 = (1 - t) * (1 - t) * (1 - t);
k1 = 3 * (1 - t) * (1 - t) * t;
k2 = 3 * (1 - t) * t * t;
k3 = t * t * t;
interpolated.x = static_cast<int>(curve->p0.x * k0 + curve->p1.x * k1 +
curve->p2.x * k2 + curve->p3.x * k3);
interpolated.y = static_cast<int>(curve->p0.y * k0 + curve->p1.y * k1 +
curve->p2.y * k2 + curve->p3.y * k3);
draw.phongShading(frame.getData(), frame.getDepthBuffer(),
input.resolution, model, interpolated);
// Guardamos frame
sprintf(name, "%06d", i);
frame.save(std::string(name) + ".png");
frame.restart();
memset(name, 0, 255);
}
} else if (model.info.curvaDeBezier) {
struct bezier_curve curve = model.info.cbezier;
for (int i = 0; i <= frames; ++i) {
// Rotamos
rotate += 0.01;
// Rotamos los cuatro puntos
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0), curve.p0);
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0), curve.p1);
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0), curve.p2);
model.rotate(TVector3D(toRad(rotate), toRad(rotate), 0), curve.p3);
// model.scale(TVector3D(rotate, rotate, rotate));
t = i / static_cast<float>(frames);
k0 = (1 - t) * (1 - t) * (1 - t);
k1 = 3 * (1 - t) * (1 - t) * t;
k2 = 3 * (1 - t) * t * t;
k3 = t * t * t;
interpolated.x = static_cast<int>(curve.p0.x * k0 + curve.p1.x * k1 +
curve.p2.x * k2 + curve.p3.x * k3);
interpolated.y = static_cast<int>(curve.p0.y * k0 + curve.p1.y * k1 +
curve.p2.y * k2 + curve.p3.y * k3);
draw.bezierCurve(frame, frame.getDepthBuffer(), input.resolution, model,
&curve);
// Guardamos frame
sprintf(name, "%06d", i);
frame.save(std::string(name) + ".png");
frame.restart();
memset(name, 0, 255);
}
}
}