uhh

main.cpp

@@ -6,10 +6,21 @@
 #include <glm/gtc/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 #include <iostream>
+#include <chrono>
+#include <random>
+typedef uint64_t u64;
+typedef uint32_t u32;
+typedef uint16_t u16;
+typedef uint8_t u8;
 
 #define w 1280
 #define h 720
 
+int randint(std::mt19937_64& rng, int lbound, int ubound)
+{
+  return rng() % (ubound-lbound + 1) + lbound;
+}
+
 void input(GLFWwindow *window);
     float vertices[] = {
         -0.5f, -0.5f, -0.5f,  0.0f, 0.0f,  0.0f,0.0f,-1.0f,
@@ -56,10 +67,6 @@ void input(GLFWwindow *window);
     };
 
     glm::vec3 cubePositions[] = {
-    glm::vec3(0.0f, 0.0f, 0.0f),    glm::vec3(2.0f, 5.0f, -15.0f),
-    glm::vec3(-1.5f, -2.2f, -2.5f), glm::vec3(-3.8f, -2.0f, -12.3f),
-    glm::vec3(2.4f, -0.4f, -3.5f),  glm::vec3(-1.7f, 3.0f, -7.5f),
-    glm::vec3(1.3f, -2.0f, -2.5f),  glm::vec3(1.5f, 2.0f, -2.5f),
     glm::vec3(1.5f, 0.2f, -1.5f),   glm::vec3(-1.3f, 1.0f, -1.5f)};
 
 int main() {
@@ -130,6 +137,25 @@ int main() {
   s.use();
   s.setInt("texture0", 0);
 
+
+  unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
+
+  std::mt19937_64 rng(seed);
+
+  std::cout << randint(rng,-100,100) << std::endl;
+
+  glm::vec3 cubePos[60000];
+  int x,y,z;
+
+  for (int i = 0; i < 5000; i++)
+  {
+    x = randint(rng,-100,100);
+    y = randint(rng,-100,100);
+    z = randint(rng,-100,100);
+    std::cout << x << "," << y << "," << z << std::endl;
+    cubePos[i] = glm::vec3((float)x,(float)y,(float)z);
+  }
+
   while (!glfwWindowShouldClose(window)) {
     glfwPollEvents();
     input(window);
@@ -144,25 +170,25 @@ int main() {
     glm::mat4 view = glm::mat4(1.0f);
     glm::mat4 projection = glm::mat4(1.0f);
     view = glm::translate(view,glm::vec3(0,0,-3));
-    projection = glm::perspective(glm::radians(45.0f),(float)w/(float)h,0.1f,100.0f);
+    projection = glm::perspective(glm::radians(45.0f),(float)w/(float)h,0.1f,200.0f);
     s.setMat4("view", view);
     s.setMat4("projection", projection);
 
     s.setVec3("lightPos", glm::vec3(cos(glfwGetTime()),0,sin(glfwGetTime())));
     s.setVec3("lightColor", glm::vec3(1,1,1));
     s.setVec3("objectColor",glm::vec3(0.2,0.2,0.2));
-    s.setVec3("viewPos",glm::vec3(0,0,-3));
+    s.setVec3("viewPos",glm::vec3(0,0,-10));
     
     
     glBindVertexArray(VAO);
-    for (uint16_t i = 0; i < 20; i++)
+    for (uint16_t i = 0; i < 5000; i++)
     {
       glm::mat4 model = glm::mat4(1.0f);
-      model = glm::translate(model, cubePositions[i]);
-      float angle = 20.0f * i;
+      model = glm::translate(model, cubePos[i]);
+      float angle = 24.3f * i;
       model = glm::rotate(model,glm::radians(angle),glm::vec3(1,0.3,0.5));
       s.setMat4("model",model);
-      glDrawArrays(GL_TRIANGLES,0,36);
+      glDrawArrays(0x0004,0,36);
     }
     
     s.use();