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RochesterX
2026-01-07 14:06:26 -05:00
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#ifndef __khrplatform_h_
#define __khrplatform_h_
/*
** Copyright (c) 2008-2018 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/* Khronos platform-specific types and definitions.
*
* The master copy of khrplatform.h is maintained in the Khronos EGL
* Registry repository at https://github.com/KhronosGroup/EGL-Registry
* The last semantic modification to khrplatform.h was at commit ID:
* 67a3e0864c2d75ea5287b9f3d2eb74a745936692
*
* Adopters may modify this file to suit their platform. Adopters are
* encouraged to submit platform specific modifications to the Khronos
* group so that they can be included in future versions of this file.
* Please submit changes by filing pull requests or issues on
* the EGL Registry repository linked above.
*
*
* See the Implementer's Guidelines for information about where this file
* should be located on your system and for more details of its use:
* http://www.khronos.org/registry/implementers_guide.pdf
*
* This file should be included as
* #include <KHR/khrplatform.h>
* by Khronos client API header files that use its types and defines.
*
* The types in khrplatform.h should only be used to define API-specific types.
*
* Types defined in khrplatform.h:
* khronos_int8_t signed 8 bit
* khronos_uint8_t unsigned 8 bit
* khronos_int16_t signed 16 bit
* khronos_uint16_t unsigned 16 bit
* khronos_int32_t signed 32 bit
* khronos_uint32_t unsigned 32 bit
* khronos_int64_t signed 64 bit
* khronos_uint64_t unsigned 64 bit
* khronos_intptr_t signed same number of bits as a pointer
* khronos_uintptr_t unsigned same number of bits as a pointer
* khronos_ssize_t signed size
* khronos_usize_t unsigned size
* khronos_float_t signed 32 bit floating point
* khronos_time_ns_t unsigned 64 bit time in nanoseconds
* khronos_utime_nanoseconds_t unsigned time interval or absolute time in
* nanoseconds
* khronos_stime_nanoseconds_t signed time interval in nanoseconds
* khronos_boolean_enum_t enumerated boolean type. This should
* only be used as a base type when a client API's boolean type is
* an enum. Client APIs which use an integer or other type for
* booleans cannot use this as the base type for their boolean.
*
* Tokens defined in khrplatform.h:
*
* KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
*
* KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
* KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
*
* Calling convention macros defined in this file:
* KHRONOS_APICALL
* KHRONOS_APIENTRY
* KHRONOS_APIATTRIBUTES
*
* These may be used in function prototypes as:
*
* KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
* int arg1,
* int arg2) KHRONOS_APIATTRIBUTES;
*/
#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
# define KHRONOS_STATIC 1
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APICALL
*-------------------------------------------------------------------------
* This precedes the return type of the function in the function prototype.
*/
#if defined(KHRONOS_STATIC)
/* If the preprocessor constant KHRONOS_STATIC is defined, make the
* header compatible with static linking. */
# define KHRONOS_APICALL
#elif defined(_WIN32)
# define KHRONOS_APICALL __declspec(dllimport)
#elif defined (__SYMBIAN32__)
# define KHRONOS_APICALL IMPORT_C
#elif defined(__ANDROID__)
# define KHRONOS_APICALL __attribute__((visibility("default")))
#else
# define KHRONOS_APICALL
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIENTRY
*-------------------------------------------------------------------------
* This follows the return type of the function and precedes the function
* name in the function prototype.
*/
#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
/* Win32 but not WinCE */
# define KHRONOS_APIENTRY __stdcall
#else
# define KHRONOS_APIENTRY
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIATTRIBUTES
*-------------------------------------------------------------------------
* This follows the closing parenthesis of the function prototype arguments.
*/
#if defined (__ARMCC_2__)
#define KHRONOS_APIATTRIBUTES __softfp
#else
#define KHRONOS_APIATTRIBUTES
#endif
/*-------------------------------------------------------------------------
* basic type definitions
*-----------------------------------------------------------------------*/
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
/*
* Using <stdint.h>
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
/*
* To support platform where unsigned long cannot be used interchangeably with
* inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
* Ideally, we could just use (u)intptr_t everywhere, but this could result in
* ABI breakage if khronos_uintptr_t is changed from unsigned long to
* unsigned long long or similar (this results in different C++ name mangling).
* To avoid changes for existing platforms, we restrict usage of intptr_t to
* platforms where the size of a pointer is larger than the size of long.
*/
#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
#define KHRONOS_USE_INTPTR_T
#endif
#endif
#elif defined(__VMS ) || defined(__sgi)
/*
* Using <inttypes.h>
*/
#include <inttypes.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
/*
* Win32
*/
typedef __int32 khronos_int32_t;
typedef unsigned __int32 khronos_uint32_t;
typedef __int64 khronos_int64_t;
typedef unsigned __int64 khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(__sun__) || defined(__digital__)
/*
* Sun or Digital
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#if defined(__arch64__) || defined(_LP64)
typedef long int khronos_int64_t;
typedef unsigned long int khronos_uint64_t;
#else
typedef long long int khronos_int64_t;
typedef unsigned long long int khronos_uint64_t;
#endif /* __arch64__ */
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif 0
/*
* Hypothetical platform with no float or int64 support
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#define KHRONOS_SUPPORT_INT64 0
#define KHRONOS_SUPPORT_FLOAT 0
#else
/*
* Generic fallback
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#endif
/*
* Types that are (so far) the same on all platforms
*/
typedef signed char khronos_int8_t;
typedef unsigned char khronos_uint8_t;
typedef signed short int khronos_int16_t;
typedef unsigned short int khronos_uint16_t;
/*
* Types that differ between LLP64 and LP64 architectures - in LLP64,
* pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
* to be the only LLP64 architecture in current use.
*/
#ifdef KHRONOS_USE_INTPTR_T
typedef intptr_t khronos_intptr_t;
typedef uintptr_t khronos_uintptr_t;
#elif defined(_WIN64)
typedef signed long long int khronos_intptr_t;
typedef unsigned long long int khronos_uintptr_t;
#else
typedef signed long int khronos_intptr_t;
typedef unsigned long int khronos_uintptr_t;
#endif
#if defined(_WIN64)
typedef signed long long int khronos_ssize_t;
typedef unsigned long long int khronos_usize_t;
#else
typedef signed long int khronos_ssize_t;
typedef unsigned long int khronos_usize_t;
#endif
#if KHRONOS_SUPPORT_FLOAT
/*
* Float type
*/
typedef float khronos_float_t;
#endif
#if KHRONOS_SUPPORT_INT64
/* Time types
*
* These types can be used to represent a time interval in nanoseconds or
* an absolute Unadjusted System Time. Unadjusted System Time is the number
* of nanoseconds since some arbitrary system event (e.g. since the last
* time the system booted). The Unadjusted System Time is an unsigned
* 64 bit value that wraps back to 0 every 584 years. Time intervals
* may be either signed or unsigned.
*/
typedef khronos_uint64_t khronos_utime_nanoseconds_t;
typedef khronos_int64_t khronos_stime_nanoseconds_t;
#endif
/*
* Dummy value used to pad enum types to 32 bits.
*/
#ifndef KHRONOS_MAX_ENUM
#define KHRONOS_MAX_ENUM 0x7FFFFFFF
#endif
/*
* Enumerated boolean type
*
* Values other than zero should be considered to be true. Therefore
* comparisons should not be made against KHRONOS_TRUE.
*/
typedef enum {
KHRONOS_FALSE = 0,
KHRONOS_TRUE = 1,
KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
} khronos_boolean_enum_t;
#endif /* __khrplatform_h_ */

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#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>
#include <stb_image.h>
#include <shader.hpp>
#include <object.hpp>
#include <iostream>
#include <vector>
using glm::vec2;
using glm::vec3;
using glm::mat4;
const float PI = 3.14159f;
enum Direction
{
FORWARD,
RIGHT,
BACKWARD,
LEFT
};
class Camera
{
public:
vec3 position;
vec3 cameraFront;
vec3 cameraUp;
vec3 direction;
vec3 angles;
Camera()
{
position = vec3(0, 0, 10);
cameraFront = vec3(0, 0, -1);
cameraUp = vec3(0, 1, 0);
angles = vec3(0, -PI / 2, 0);
updateDirection();
}
mat4 viewMatrix()
{
return glm::lookAt(position, position + direction, vec3(0, 1, 0));
}
void setAngles(vec3 angles)
{
angles = angles;
updateDirection();
}
void updateAngles(float deltaX, float deltaY)
{
angles.x += deltaX;
angles.y += deltaY;
if (angles.x > (PI / 2) - 0.1f) angles.x = (PI / 2) - 0.1f;
if (angles.x < -(PI / 2) - 0.1f) angles.x = -((PI / 2) - 0.1f);
updateDirection();
}
void updateDirection()
{
direction.x = cos(angles.y) * cos(angles.x);
direction.y = sin(angles.x);
direction.z = sin(angles.y) * cos(angles.x);
direction = glm::normalize(direction);
}
void setPosition(vec3 p)
{
position = p;
}
void movePosition(vec3 delta)
{
position += delta;
}
void movePosition(Direction d, float speed)
{
switch (d)
{
case static_cast<int>(FORWARD):
movePosition(speed * direction);
break;
case static_cast<int>(BACKWARD):
movePosition(-speed * direction);
break;
case static_cast<int>(RIGHT):
movePosition(speed * glm::normalize(glm::cross(direction, cameraUp)));
break;
case static_cast<int>(LEFT):
movePosition(-speed * glm::normalize(glm::cross(direction, cameraUp)));
break;
}
}
};

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#ifndef LINE_H
#define LINE_H
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <glm/glm.hpp>
#include <shader.hpp>
#include <texture.hpp>
#include <vector>
using std::vector;
using glm::vec3;
using glm::mat4;
class Line {
public:
vec3 position;
vec3 rotation;
vec3 scale;
vector<float> vertices;
vector<unsigned int> indices;
unsigned int VAO;
unsigned int VBO;
unsigned int EBO;
Line(const vec3 position, const vec3 rotation, const vec3 scale, vector<float> v, vector<unsigned int> i);
void generateImage();
void draw(Shader s);
mat4 translationMatrix();
mat4 rotationMatrix();
mat4 scaleMatrix();
mat4 modelMatrix();
};
#endif

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#ifndef OBJECT_H
#define OBJECT_H
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <glm/glm.hpp>
#include <shader.hpp>
#include <texture.hpp>
#include <vector>
using std::vector;
using glm::vec3;
using glm::mat4;
typedef struct
{
vec3 position;
vec3 color;
vec3 normal;
} Vertex;
class Object
{
public:
const char* path;
vec3 position;
vec3 rotation;
vec3 scale;
vector<float> vertexData;
vector<Vertex> vertices;
vector<vec3> normals;
vector<unsigned int> indices;
vector<unsigned int> normalIndices;
unsigned int VAO;
unsigned int VBO;
unsigned int EBO;
Texture texture1;
Object()
{
}
Object(const vec3 p, const vec3 r, const vec3 s, const char* objFilePath)
{
this->position = p;
this->rotation = r;
this->scale = s;
this->path = objFilePath;
std::string obj;
std::ifstream objFile;
std::stringstream objStringStream;
objFile.exceptions(std::ifstream::failbit | std:: ifstream::badbit);
try
{
objFile.open(objFilePath);
objStringStream << objFile.rdbuf();
objFile.close();
obj = objStringStream.str();
}
catch (std::ifstream::failure e)
{
std::cout << "Error reading obj file.";
}
std::string line;
while (std::getline(objStringStream, line))
{
//std::cout << "\n\nLINE: " << line << std::endl;
std::istringstream lineStream(line);
std::string lineType;
lineStream >> lineType;
//std::cout << lineType << std::endl;
//std::cout << "Reading line of type " << lineType << std::endl;
if (lineType == "v")
{
Vertex vertex;
std::string token;
float vector[3];
for (int i = 0 ; i < 6; i++)
{
//std::cout << "I VALUE: " << i << std::endl;
float value = 1;
if (!(lineStream >> token))
{
vector[i % 3] = 1;
//std::cout << "Adding 1 to vertexData because nothing else." << std::endl;
}
else
{
vector[i % 3] = std::stof(token);
//std::cout << "Adding " << token << " to vertexData." << std::endl;
}
if (i == 2)
{
vertex.position = vec3(vector[0], vector[1], vector[2]);
//std::cout << " BEGIN POSITION" << std::endl <<vector[0] << " ";
//std::cout << vector[1] << " ";
//std::cout << vector[2] << " " << std::endl;
}
else if (i == 5)
{
vertex.color = vec3(vector[0], vector[1], vector[2]);
//std::cout << " BEGIN COLOR" << std::endl <<vector[0] << " ";
//std::cout << vector[1] << " ";
//std::cout << vector[2] << " " << std::endl;
}
}
vertices.push_back(vertex);
}
else if (lineType == "vn")
{
vec3 normal;
std::string token;
float vector[3];
for (int i = 0 ; i < 3; i++)
{
//std::cout << "I VALUE: " << i << std::endl;
float value = 1;
if (!(lineStream >> token))
{
vector[i % 3] = 1;
//std::cout << "Adding 1 to vertexData because nothing else." << std::endl;
}
else
{
vector[i % 3] = std::stof(token);
//std::cout << "Adding " << token << " to vertexData." << std::endl;
}
if (i == 2)
{
normal = vec3(vector[0], vector[1], vector[2]);
//std::cout << " BEGIN POSITION" << std::endl <<vector[0] << " ";
//std::cout << vector[1] << " ";
//std::cout << vector[2] << " " << std::endl;
}
}
normals.push_back(normal);
}
else if (lineType == "f")
{
std::string token;
std::vector<unsigned int> tokenIndices;
std::vector<unsigned int> tokenTexCoords;
std::vector<unsigned int> tokenNormals;
for (int i = 0; lineStream >> token; i++)
{
std::istringstream tokenStream(token);
std::string element;
int index, texCoord, normal;
for (int i = 0; std::getline(tokenStream, element, '/'); i++)
{
//std::cout << "element is " << element << std::endl;
switch (i)
{
// Vertex index
case 0:
index = std::stoi(token);
tokenIndices.push_back(index);
break;
// Vertex texture coordinates
case 1:
texCoord = std::stoi(token);
tokenTexCoords.push_back(texCoord);
break;
// Vertex normal
case 2:
if (normals.size() == 0) break;
normal = std::stoi(token);
tokenNormals.push_back(normal);
break;
}
}
}
// Iterate through each index (X/0/0) in the f line
for (int i = 1; i < tokenIndices.size() - 1; i++)
{
//std::cout << "token index " << i << std::endl;
// Create triangle (0, i, i + 1)
for (int which = 0; which < 3; which++)
{
int index;
switch (which)
{
case 0:
index = 0;
break;
case 1:
index = i;
break;
case 2:
index = i + 1;
break;
}
if (index >= 0)
{
//std::cout << "pushing " <<tokenIndices[index] - 1 << " to indices" << std::endl;
indices.push_back(tokenIndices[index] - 1);
if (tokenNormals.size() > index) normalIndices.push_back(tokenNormals[index] - 1);
//if (tokenNormals.size() == tokenIndices.size())
//{
// normals.push_back(tokenNormals[index - 1]);
//}
//std::cout << "Pushed " << index - 1 << " to indices" << std::endl;
continue;
}
// Negative index
indices.push_back((vertices.size()) + tokenIndices[index]);
if (tokenNormals.size() > index) normalIndices.push_back((normals.size()) + tokenNormals[index]);
//if (tokenNormals.size() == tokenIndices.size())
//{
// normals.push_back((vertexData.size() / 6) + tokenNormals[index]);
//}
//std::cout << "Pushed " << vertexData.size() + index << " to indices" << std::endl;
}
}
}
}
std::cout << path << ": Indices: " << indices.size() << "; Normals: " << normalIndices.size() << std::endl;
/*for (vec3 normal : normals)
{
std::cout << normal.x << " " << normal.y << " " << normal.z << std::endl;
}
*/std::cout << std::endl;
// Loop through indices and insert normals to vertices
for (int i = 0; i < indices.size(); i++)
{
if (indices.size() != normalIndices.size())
{
std::cout << "WARNING: Inequal number of vertex indices and normal indices. Skipping normals." << std::endl;
break;
}
vertices[indices[i]].normal = normals[normalIndices[i]];
}
// Generate vertexData
for (int i = 0; i < vertices.size(); i++)
{
Vertex vertex = vertices[i];
vertexData.push_back(vertex.position.x);
vertexData.push_back(vertex.position.y);
vertexData.push_back(vertex.position.z);
vertexData.push_back(vertex.color.x);
vertexData.push_back(vertex.color.y);
vertexData.push_back(vertex.color.z);
vertexData.push_back(vertex.normal.x);
vertexData.push_back(vertex.normal.y);
vertexData.push_back(vertex.normal.z);
//std::cout << vertex.position.x << " ";
//std::cout << vertex.position.y << " ";
//std::cout << vertex.position.z << "\t\t\t";
//std::cout << vertex.color.x << " ";
//std::cout << vertex.color.y << " ";
//std::cout << vertex.color.z << std::endl;
}
//std::cout << "Length of vertices: " << vertices.size() << std::endl;
//std::cout << "Path of this one " << path << std::endl << std::endl;
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
glGenBuffers(1, &VBO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, vertexData.size() * sizeof(float), &vertexData[0], GL_STATIC_DRAW);
glGenBuffers(1, &EBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned int), &indices[0], GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 9 * sizeof(float), (void*)0);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 9 * sizeof(float), (void*)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 9 * sizeof(float), (void*)(6 * sizeof(float)));
glEnableVertexAttribArray(2);
}
/*
Object(const vec3 p, const vec3 r, const vec3 s, vector<float> v, vector<unsigned int> i, Texture t1 = nullptr)
{
this->position = p;
this->rotation = r;
this->scale = s;
this->vertexData = v;
this->indices = i;
this->texture1 = t1;
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
glGenBuffers(1, &VBO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, vertexData.size() * sizeof(float), &vertexData[0], GL_STATIC_DRAW);
glGenBuffers(1, &EBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned int), &indices[0], GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 9 * sizeof(float), (void*)0);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 9 * sizeof(float), (void*)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 9 * sizeof(float), (void*)(6 * sizeof(float)));
glEnableVertexAttribArray(2);
}
*/
void draw(Shader s)
{
/*mat4 mod = rotationMatrix();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
std::cout << mod[i][j] << "\t";
}
std::cout << std::endl;
}*/
s.setMat4("modelMatrix", &modelMatrix()[0][0]);
s.setMat4("normalMatrix", &normalMatrix()[0][0]);
texture1.activate(0);
s.use();
glBindVertexArray(VAO);
glDrawElements(GL_TRIANGLES, indices.size(), GL_UNSIGNED_INT, 0);
s.setInt("texture1", 0);
s.setVec3("lightColor", 1.0, 1.0, 1.0);
s.setVec3("objectColor", 0.8, 0.4, 0.2);
s.setVec3("lightPos", sin(glfwGetTime() / 3.0f) * 10, 8.0, cos(glfwGetTime() / 3.0f) * 10);
glBindVertexArray(0);
}
mat4 translationMatrix()
{
return mat4(
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
position.x, position.y, position.z, 1
);
}
mat4 rotationMatrix()
{
mat4 x(
1, 0, 0, 0,
0, cos(rotation.x), sin(rotation.x), 0,
0, -sin(rotation.x), cos(rotation.x), 0,
0, 0, 0, 1
);
mat4 y(
cos(rotation.y), 0, -sin(rotation.y), 0,
0, 1, 0, 0,
sin(rotation.y), 0, cos(rotation.y), 0,
0, 0, 0, 1
);
mat4 z(
cos(rotation.z), sin(rotation.z), 0, 0,
-sin(rotation.z), cos(rotation.z), 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
);
return z * y * x;
}
mat4 scaleMatrix()
{
return mat4(
scale.x, 0, 0, 0,
0, scale.y, 0, 0,
0, 0, scale.z, 0,
0, 0, 0, 1
);
}
mat4 modelMatrix()
{
return translationMatrix() * rotationMatrix() * scaleMatrix();
}
mat4 normalMatrix()
{
return glm::transpose(glm::inverse(modelMatrix()));
}
};
#endif

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include/shader.hpp Normal file
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#ifndef SHADER_H
#define SHADER_H
#include <glad/glad.h>
#include <glm/glm.hpp>
#include <string>
#include <fstream>
#include <sstream>
#include <iostream>
using glm::vec3;
using glm::mat4;
class Shader
{
public:
unsigned int ID;
Shader()
{
ID = -1;
}
Shader(const char* vertexPath, const char* fragmentPath)
{
std::string vertexCode;
std::string fragmentCode;
std::ifstream vShaderFile;
std::ifstream fShaderFile;
vShaderFile.exceptions(std::ifstream::failbit | std:: ifstream::badbit);
fShaderFile.exceptions(std::ifstream::failbit | std:: ifstream::badbit);
try
{
vShaderFile.open(vertexPath);
fShaderFile.open(fragmentPath);
std::stringstream vShaderStream, fShaderStream;
vShaderStream << vShaderFile.rdbuf();
fShaderStream << fShaderFile.rdbuf();
vShaderFile.close();
fShaderFile.close();
vertexCode = vShaderStream.str();
fragmentCode = fShaderStream.str();
}
catch (std::ifstream::failure e)
{
std::cout << "ERROR::SHADER::FILE_NOT_SUCCESSFULLY_READ" << std::endl;
}
const char* vShaderCode = vertexCode.c_str();
const char* fShaderCode = fragmentCode.c_str();
unsigned int vertex, fragment;
int success;
char infoLog[512];
vertex = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vertex, 1, &vShaderCode, NULL);
glCompileShader(vertex);
glGetShaderiv(vertex, GL_COMPILE_STATUS, &success);
if (!success)
{
glGetShaderInfoLog(vertex, 512, NULL, infoLog);
std::cout << "ERROR::SHADER::VERTEX::COMPILATION_FAILED\n" << infoLog << std::endl;
}
fragment = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fragment, 1, &fShaderCode, NULL);
glCompileShader(fragment);
glGetShaderiv(fragment, GL_COMPILE_STATUS, &success);
if (!success)
{
glGetShaderInfoLog(fragment, 512, NULL, infoLog);
std::cout << "ERROR::SHADER::FRAGMENT::COMPILATION_FAILED\n" << infoLog << std::endl;
}
ID = glCreateProgram();
glAttachShader(ID, vertex);
glAttachShader(ID, fragment);
glLinkProgram(ID);
glGetProgramiv(ID, GL_LINK_STATUS, &success);
if (!success)
{
glGetProgramInfoLog(ID, 512, NULL, infoLog);
std::cout << "ERROR::SHADER::PROGRAM::LINKING_FAILED\n" << infoLog << std::endl;
glDeleteShader(vertex);
glDeleteShader(fragment);
}
}
void use()
{
glUseProgram(ID);
}
void setBool(const std::string &name, bool value) const
{
glUniform1i(glGetUniformLocation(ID, name.c_str()), (int)value);
}
void setInt(const std::string &name, int value) const
{
glUniform1i(glGetUniformLocation(ID, name.c_str()), value);
}
void setFloat(const std::string &name, float value) const
{
glUniform1f(glGetUniformLocation(ID, name.c_str()), value);
}
void setVec3(const std::string &name, float x, float y, float z) const
{
glUniform3f(glGetUniformLocation(ID, name.c_str()), x, y, z);
}
void setVec3(const std::string &name, vec3 vector) const
{
glUniform3f(glGetUniformLocation(ID, name.c_str()), vector.x, vector.y, vector.z);
}
void setMat4(const std::string &name, float* matrix) const
{
glUniformMatrix4fv(glGetUniformLocation(ID, name.c_str()), 1, GL_FALSE, matrix);
}
};
#endif

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include/stb_image.h Normal file
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include/texture.hpp Normal file
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#ifndef TEXTURE_H
#define TEXTURE_H
#include <glad/glad.h>
#include <glm/glm.hpp>
#include <stb_image.h>>
#include <iostream>
class Texture
{
public:
unsigned int ID;
Texture()
{
ID = -1;
}
Texture(const char* path)
{
glGenTextures(1, &ID);
glBindTexture(GL_TEXTURE_2D, ID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
int width, height, nrChannels;
unsigned char *data = stbi_load(path, &width, &height, &nrChannels, 0);
if (data)
{
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
glGenerateMipmap(GL_TEXTURE_2D);
}
else
{
std::cout << "Failed to load texture" << std::endl;
}
stbi_image_free(data);
}
void activate(int id)
{
glActiveTexture(GL_TEXTURE0 + id);
glBindTexture(GL_TEXTURE_2D, ID);
}
};
#endif