267 lines
8.2 KiB
C++
267 lines
8.2 KiB
C++
#include "glew.h"
|
|
#include <GLFW/glfw3.h>
|
|
#include "glm.hpp"
|
|
#include "ext.hpp"
|
|
#include <iostream>
|
|
#include <cmath>
|
|
|
|
#include "Shader_Loader.h"
|
|
#include "Render_Utils.h"
|
|
#include "Camera.h"
|
|
|
|
#include "Box.cpp"
|
|
#include <assimp/Importer.hpp>
|
|
#include <assimp/scene.h>
|
|
#include <assimp/postprocess.h>
|
|
#include <string>
|
|
|
|
|
|
|
|
GLuint program;
|
|
|
|
|
|
Core::Shader_Loader shaderLoader;
|
|
|
|
Core::RenderContext shipContext;
|
|
Core::RenderContext sphereContext;
|
|
|
|
glm::vec3 cameraPos = glm::vec3(-4.f, 0, 0);
|
|
glm::vec3 cameraDir = glm::vec3(1.f, 0.f, 0.f);
|
|
glm::vec3 lightColor = glm::vec3(1.f, 1.f, 1.f);
|
|
glm::vec3 lightDir = glm::vec3(0.5, 0.5, 0.5);
|
|
|
|
glm::vec3 spaceshipPos = glm::vec3(-4.f, 0, 0);
|
|
glm::vec3 spaceshipDir = glm::vec3(1.f, 0.f, 0.f);
|
|
GLuint VAO,VBO;
|
|
|
|
float aspectRatio = 1.f;
|
|
|
|
float lastTime = -1.f;
|
|
float deltaTime = 0.f;
|
|
|
|
float exposition = 5.0f;
|
|
|
|
GLuint programSun;
|
|
|
|
void updateDeltaTime(float time) {
|
|
if (lastTime < 0) {
|
|
lastTime = time;
|
|
return;
|
|
}
|
|
|
|
deltaTime = time - lastTime;
|
|
if (deltaTime > 0.1) deltaTime = 0.1;
|
|
lastTime = time;
|
|
}
|
|
|
|
glm::mat4 createCameraMatrix()
|
|
{
|
|
glm::vec3 cameraSide = glm::normalize(glm::cross(cameraDir,glm::vec3(0.f,1.f,0.f)));
|
|
glm::vec3 cameraUp = glm::normalize(glm::cross(cameraSide,cameraDir));
|
|
glm::mat4 cameraRotrationMatrix = glm::mat4({
|
|
cameraSide.x,cameraSide.y,cameraSide.z,0,
|
|
cameraUp.x,cameraUp.y,cameraUp.z ,0,
|
|
-cameraDir.x,-cameraDir.y,-cameraDir.z,0,
|
|
0.,0.,0.,1.,
|
|
});
|
|
cameraRotrationMatrix = glm::transpose(cameraRotrationMatrix);
|
|
glm::mat4 cameraMatrix = cameraRotrationMatrix * glm::translate(-cameraPos);
|
|
|
|
return cameraMatrix;
|
|
}
|
|
|
|
glm::mat4 createPerspectiveMatrix()
|
|
{
|
|
|
|
glm::mat4 perspectiveMatrix;
|
|
float n = 0.05;
|
|
float f = 20.;
|
|
float a1 = glm::min(aspectRatio, 1.f);
|
|
float a2 = glm::min(1 / aspectRatio, 1.f);
|
|
perspectiveMatrix = glm::mat4({
|
|
1,0.,0.,0.,
|
|
0.,aspectRatio,0.,0.,
|
|
0.,0.,(f+n) / (n - f),2*f * n / (n - f),
|
|
0.,0.,-1.,0.,
|
|
});
|
|
|
|
|
|
perspectiveMatrix=glm::transpose(perspectiveMatrix);
|
|
|
|
return perspectiveMatrix;
|
|
}
|
|
|
|
void drawObjectColor(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color, GLuint program) {
|
|
glUseProgram(program);
|
|
glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
|
|
glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
|
|
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
|
|
glUniform3f(glGetUniformLocation(program, "color"), color.x,color.y,color.z);
|
|
|
|
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, glm::value_ptr(modelMatrix));
|
|
|
|
glm::vec3 lightDir = glm::normalize(glm::vec3(1.0f, 1.0f, 1.0f));
|
|
glm::vec3 lightColor = glm::vec3(0.0f, 1.0f, 1.0f);
|
|
|
|
glUniform3fv(glGetUniformLocation(program, "lightDir"), 1, glm::value_ptr(lightDir));
|
|
glUniform3fv(glGetUniformLocation(program, "lightColor"), 1, glm::value_ptr(lightColor));
|
|
|
|
glUniform3fv(glGetUniformLocation(program, "cameraPos"), 1, glm::value_ptr(cameraPos));
|
|
|
|
glUniform1f(glGetUniformLocation(program, "exposition"), exposition);
|
|
|
|
Core::DrawContext(context);
|
|
glUseProgram(0);
|
|
|
|
}
|
|
void renderScene(GLFWwindow* window)
|
|
{
|
|
glClearColor(0.0f, 0.3f, 0.3f, 1.0f);
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
glm::mat4 transformation;
|
|
float time = glfwGetTime();
|
|
updateDeltaTime(time);
|
|
|
|
|
|
//Uniform3fv(glGetUniformLocation(program, "lightDir"), 1, glm::value_ptr(lightDir));
|
|
//glUniform3fv(glGetUniformLocation(program, "lightColor"), 1, glm::value_ptr(lightColor));
|
|
|
|
|
|
|
|
glm::vec3 sunPosition = glm::vec3(0.0, 0.0, 0.0);
|
|
glm::mat4 sunModelMatrix = glm::translate(glm::vec3(1.0f, 1.0f, 0.3f));
|
|
drawObjectColor(sphereContext, sunModelMatrix, glm::vec3(1.0, 1.0, 0.3), programSun);
|
|
|
|
glUniform3fv(glGetUniformLocation(program, "lightPos"), 1, glm::value_ptr(sunPosition));
|
|
|
|
drawObjectColor(sphereContext, glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::scale(glm::vec3(0.3f)), glm::vec3(0.2, 0.7, 0.3), program);
|
|
|
|
drawObjectColor(sphereContext,
|
|
glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::translate(glm::vec3(1.f, 0, 0)) * glm::scale(glm::vec3(0.1f)),
|
|
glm::vec3(0.5, 0.5, 0.5), program);
|
|
|
|
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
|
|
glm::vec3 spaceshipUp = glm::normalize(glm::cross(spaceshipSide, spaceshipDir));
|
|
glm::mat4 specshipCameraRotrationMatrix = glm::mat4({
|
|
spaceshipSide.x,spaceshipSide.y,spaceshipSide.z,0,
|
|
spaceshipUp.x,spaceshipUp.y,spaceshipUp.z ,0,
|
|
-spaceshipDir.x,-spaceshipDir.y,-spaceshipDir.z,0,
|
|
0.,0.,0.,1.,
|
|
});
|
|
|
|
|
|
//drawObjectColor(shipContext,
|
|
// glm::translate(cameraPos + 1.5 * cameraDir + cameraUp * -0.5f) * inveseCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()),
|
|
// glm::vec3(0.3, 0.3, 0.5)
|
|
// );
|
|
drawObjectColor(shipContext,
|
|
glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.2f)),
|
|
glm::vec3(0.3, 0.3, 0.5),
|
|
program
|
|
);
|
|
|
|
|
|
glfwSwapBuffers(window);
|
|
}
|
|
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
|
|
{
|
|
aspectRatio = width / float(height);
|
|
glViewport(0, 0, width, height);
|
|
}
|
|
void loadModelToContext(std::string path, Core::RenderContext& context)
|
|
{
|
|
Assimp::Importer import;
|
|
const aiScene* scene = import.ReadFile(path, aiProcess_Triangulate | aiProcess_CalcTangentSpace);
|
|
|
|
if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
|
|
{
|
|
std::cout << "ERROR::ASSIMP::" << import.GetErrorString() << std::endl;
|
|
return;
|
|
}
|
|
context.initFromAssimpMesh(scene->mMeshes[0]);
|
|
}
|
|
|
|
void init(GLFWwindow* window)
|
|
{
|
|
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
program = shaderLoader.CreateProgram("shaders/shader_5_1.vert", "shaders/shader_5_1.frag");
|
|
|
|
programSun = shaderLoader.CreateProgram("shaders/shader_5_sun.vert", "shaders/shader_5_sun.frag");
|
|
|
|
loadModelToContext("./models/sphere.obj", sphereContext);
|
|
loadModelToContext("./models/spaceship.obj", shipContext);
|
|
|
|
|
|
// Ustaw wartości dla lightDir i lightColor potem prześlij do shadera
|
|
//glm::vec3 lightDir = glm::normalize(glm::vec3(1.0f, 1.0f, 1.0f));
|
|
//glm::vec3 lightColor = glm::vec3(0.0f, 1.0f, 1.0f);
|
|
|
|
//glUseProgram(program);
|
|
//glUniform3fv(glGetUniformLocation(program, "lightDir"), 1, glm::value_ptr(lightDir));
|
|
//glUniform3fv(glGetUniformLocation(program, "lightColor"), 1, glm::value_ptr(lightColor));
|
|
//glUseProgram(0);
|
|
|
|
}
|
|
|
|
void shutdown(GLFWwindow* window)
|
|
{
|
|
shaderLoader.DeleteProgram(program);
|
|
}
|
|
|
|
//obsluga wejscia
|
|
void processInput(GLFWwindow* window)
|
|
{
|
|
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
|
|
glm::vec3 spaceshipUp = glm::vec3(0.f, 1.f, 0.f);
|
|
float angleSpeed = 0.05f * deltaTime * 60;
|
|
float moveSpeed = 0.05f * deltaTime * 60;
|
|
if (glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS) {
|
|
angleSpeed *= 3;
|
|
moveSpeed *= 3;
|
|
}
|
|
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
|
|
glfwSetWindowShouldClose(window, true);
|
|
}
|
|
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
|
|
spaceshipPos += spaceshipDir * moveSpeed;
|
|
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
|
|
spaceshipPos -= spaceshipDir * moveSpeed;
|
|
if (glfwGetKey(window, GLFW_KEY_X) == GLFW_PRESS)
|
|
spaceshipPos += spaceshipSide * moveSpeed;
|
|
if (glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS)
|
|
spaceshipPos -= spaceshipSide * moveSpeed;
|
|
if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS)
|
|
spaceshipPos += spaceshipUp * moveSpeed;
|
|
if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS)
|
|
spaceshipPos -= spaceshipUp * moveSpeed;
|
|
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
|
|
spaceshipDir = glm::vec3(glm::eulerAngleY(angleSpeed) * glm::vec4(spaceshipDir, 0));
|
|
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
|
|
spaceshipDir = glm::vec3(glm::eulerAngleY(-angleSpeed) * glm::vec4(spaceshipDir, 0));
|
|
|
|
if (glfwGetKey(window, GLFW_KEY_1) == GLFW_PRESS)
|
|
exposition += 0.1;
|
|
if (glfwGetKey(window, GLFW_KEY_2) == GLFW_PRESS)
|
|
exposition -= 0.1;
|
|
|
|
|
|
cameraPos = spaceshipPos - 0.3f * spaceshipDir + glm::vec3(0, 1, 0) * 0.1f;
|
|
cameraDir = spaceshipDir;
|
|
|
|
//cameraDir = glm::normalize(-cameraPos);
|
|
|
|
}
|
|
|
|
// funkcja jest glowna petla
|
|
void renderLoop(GLFWwindow* window) {
|
|
while (!glfwWindowShouldClose(window))
|
|
{
|
|
processInput(window);
|
|
|
|
renderScene(window);
|
|
glfwPollEvents();
|
|
}
|
|
}
|
|
//}
|