Feature: Can now render to images in ./frames

;

shaders/vertex.glsl

@@ -1,13 +1,7 @@
 #version 410 core
 
-layout(location = 0) in vec3 aPos;   // Vertex position
-
-uniform mat4 model;
-uniform mat4 view;
-uniform mat4 projection;
-
+layout(location = 0) in vec3 aPos;
 
 void main() {
-    gl_Position = projection * view * model * vec4(aPos, 1.0);
+    gl_Position = vec4(aPos, 1.0);
 }
-

source/main.cpp

@@ -1,44 +1,101 @@
-#include <fstream>
 #include <iostream>
-#include <sstream>
 #include <stdio.h>
-#include <stdlib.h>
+#include <string>
+#include <vector>
 
-// glad and GLFW
+// OpenGL
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
 
-// glm math
+// GLM
 #include <glm/glm.hpp>
-#include <glm/gtc/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 
-// HPP files
+// Custom headers
 #include "shader.h"
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#include "stb_image_write.h"
 
 #define VERTEX_FILE "./shaders/vertex.glsl"
 #define FRAGMENT_FILE "./shaders/fragment.glsl"
-#define COMPUTE_FILE "./shaders/compute.glsl"
 
-const float SCR_WIDTH = 1200.0f;
-const float SCR_HEIGHT = 1200.0f;
+const int WIDTH = 3840;
+const int HEIGHT = 2160;
+const float DURATION = 120.0f; // 2 minutes
+const int FPS = 30;
+const std::string OUTPUT_FOLDER = "./frames";
 
-int main(void) {
+// ------------------ Offscreen Frame Renderer ------------------
+void renderFrame(GLuint shaderProgram, GLuint VAO, GLuint resLoc, GLuint timeLoc, GLuint scaleLoc, GLuint mouseLoc, float time, const std::string &filename) {
+	static GLuint fbo = 0;
+	static GLuint texture = 0;
+
+	glUniform1f(scaleLoc, 1.0f); // or whatever scale you want
+	glUniform2f(mouseLoc, 0.0f, 0.0f);
+
+	// First frame setup
+	if (fbo == 0) {
+		glGenFramebuffers(1, &fbo);
+		glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+
+		glGenTextures(1, &texture);
+		glBindTexture(GL_TEXTURE_2D, texture);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, WIDTH, HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
+
+		if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+			std::cerr << "Framebuffer not complete!\n";
+			exit(-1);
+		}
+	}
+
+	// Bind FBO
+	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+	glViewport(0, 0, WIDTH, HEIGHT);
+	glClearColor(0, 0, 0, 1);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	// Render procedural quad
+	glUseProgram(shaderProgram);
+	glUniform2f(resLoc, float(WIDTH), float(HEIGHT));
+	glUniform1f(timeLoc, time);
+	glBindVertexArray(VAO);
+	glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+
+	// Read pixels
+	std::vector<unsigned char> pixels(WIDTH * HEIGHT * 3);
+	glReadPixels(0, 0, WIDTH, HEIGHT, GL_RGB, GL_UNSIGNED_BYTE, pixels.data());
+
+	// Flip vertically
+	for (int y = 0; y < HEIGHT / 2; ++y) {
+		int opp = HEIGHT - y - 1;
+		for (int x = 0; x < WIDTH * 3; ++x)
+			std::swap(pixels[y * WIDTH * 3 + x], pixels[opp * WIDTH * 3 + x]);
+	}
+
+	stbi_write_png(filename.c_str(), WIDTH, HEIGHT, 3, pixels.data(), WIDTH * 3);
+
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
+}
+
+// ------------------ Main ------------------
+int main() {
 	// Initialize GLFW
-	if (!glfwInit())
+	if (!glfwInit()) {
+		std::cerr << "Failed to initialize GLFW\n";
 		return -1;
+	}
 
 	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
 	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
-	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // REQUIRED on macOS
+	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-	glfwWindowHint(GLFW_SAMPLES, 8); // 8x MSAA
+	glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // hidden
 
-	GLFWwindow *window = glfwCreateWindow((int)SCR_WIDTH, (int)SCR_HEIGHT, "RASTER", nullptr, nullptr);
-	if (!window) {
-		glfwTerminate();
-		return -1;
-	}
+	GLFWwindow *window = glfwCreateWindow(1, 1, "", nullptr, nullptr);
 	glfwMakeContextCurrent(window);
 
 	if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
@@ -46,20 +103,10 @@ int main(void) {
 		return -1;
 	}
 
-	glViewport(0, 0, (int)SCR_WIDTH, (int)SCR_HEIGHT);
-
-	// DEBUG
 	std::cout << "OpenGL Version: " << glGetString(GL_VERSION) << std::endl;
 
-	// ERROR: macOS does not support compute shaders in OpenGL < 4.3.
-	// GLuint computeProgram = createComputeProgram(COMPUTE_FILE);
-
-	// ----- Vertex Data -----
-	// Cube
-	// Positions
-	float vertices[] = {// positions
-	                    -1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 0.0f, 1.0f, 1.0f, 0.0f, -1.0f, 1.0f, 0.0f};
-
+	// ------------------ VAO + VBO ------------------
+	float vertices[] = {-1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 0.0f, 1.0f, 1.0f, 0.0f, -1.0f, 1.0f, 0.0f};
 	unsigned int indices[] = {0, 1, 2, 2, 3, 0};
 
 	GLuint VAO, VBO, EBO;
@@ -68,124 +115,50 @@ int main(void) {
 	glGenBuffers(1, &EBO);
 
 	glBindVertexArray(VAO);
-
 	glBindBuffer(GL_ARRAY_BUFFER, VBO);
 	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
-
 	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
 	glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
 
-	// position - VERTEX SHADER
 	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void *)0);
 	glEnableVertexAttribArray(0);
 
-	// color - FRAGMENT SHADER
-	glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void *)(3 * sizeof(float)));
-	glEnableVertexAttribArray(1);
-
-	glBindBuffer(GL_ARRAY_BUFFER, 0);
-	// glBindVertexArray(0);
-
-	// Load shaders
+	// ------------------ Shader ------------------
 	GLuint shaderProgram = createShaderProgram(VERTEX_FILE, FRAGMENT_FILE);
-
-	// Check if shader program was created successfully
 	if (shaderProgram == 0) {
-		std::cerr << "Failed to create shader programs.\n";
+		std::cerr << "Failed to create shader.\n";
 		return -1;
 	}
 
-	// Caulculate model, view, projection matrices
-	glm::mat4 model = glm::mat4(1.0f);
-	glm::mat4 view = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -1.0f));
-	glm::mat4 projection = glm::perspective(glm::radians(45.0f), (SCR_WIDTH / SCR_HEIGHT) * 2, 0.1f, 100.0f);
+	GLuint resLoc = glGetUniformLocation(shaderProgram, "u_resolution");
+	GLuint timeLoc = glGetUniformLocation(shaderProgram, "u_time");
 
-	GLuint modelLoc = (unsigned int)glGetUniformLocation(shaderProgram, "model");
-	GLuint viewLoc = (unsigned int)glGetUniformLocation(shaderProgram, "view");
-	GLuint projLoc = (unsigned int)glGetUniformLocation(shaderProgram, "projection");
+	GLuint scaleLoc = glGetUniformLocation(shaderProgram, "u_scale");
+	GLuint mouseLoc = glGetUniformLocation(shaderProgram, "u_mouse");
 
-	glUseProgram(shaderProgram);
-	glUniformMatrix4fv((int)modelLoc, 1, GL_FALSE, glm::value_ptr(model));
-	glUniformMatrix4fv((int)viewLoc, 1, GL_FALSE, glm::value_ptr(view));
-	glUniformMatrix4fv((int)projLoc, 1, GL_FALSE, glm::value_ptr(projection));
+	// In renderFrame(), add:
 
-	GLint resLoc = glGetUniformLocation(shaderProgram, "u_resolution");
-	glUniform2f(resLoc, SCR_WIDTH, SCR_HEIGHT); // hardcode for now
+	// ------------------ Render Loop ------------------
+	int totalFrames = int(DURATION * FPS);
+	for (int i = 0; i < totalFrames; ++i) {
+		float t = i / float(FPS);
+		char filename[256];
+		sprintf(filename, "%s/frame_%04d.png", OUTPUT_FOLDER.c_str(), i);
 
-	GLint timeLoc = glGetUniformLocation(shaderProgram, "u_time");
-	GLint scaleLoc = glGetUniformLocation(shaderProgram, "u_scale");
-	GLint mouseLoc = glGetUniformLocation(shaderProgram, "u_mouse");
-
-	glEnable(GL_MULTISAMPLE);
-
-	float scale = 1.0f;
-	int frameCount = 0;
-	float mousePos[2] = {0.0f, 0.0f};
-
-	// FPS tracking
-	double lastTime = glfwGetTime(); // when we last printed FPS
-	double fps = 0.0;
-
-	// Render loop
-	while (!glfwWindowShouldClose(window)) {
-		float timeValue = (float)glfwGetTime();
-		double xpos, ypos;
-
-		// Get mouse positions
-		glfwGetCursorPos(window, &xpos, &ypos);
-		mousePos[0] = (float)xpos;
-		mousePos[1] = (float)(SCR_HEIGHT - ypos); // Invert y-axis for OpenGL coordinates
-
-		// Input
-		glfwPollEvents();
-
-		// Scroll to zoom in/out
-		if (glfwGetKey(window, GLFW_KEY_UP) == GLFW_PRESS) {
-			scale += 0.01f;
-			if (scale > 10.0f)
-				scale = 10.0f; // Max zoom
-		}
-
-		if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS) {
-			scale -= 0.01f;
-			if (scale < 0.1f)
-				scale = 0.1f; // Min zoom
-		}
-
-		// --- FPS Counter ---
-		double currentTime = glfwGetTime();
-		double delta = currentTime - lastTime;
-
-		if (delta >= 1.0) { // print every ~1 second
-			fps = double(frameCount) / delta;
-			std::cout << "FPS: " << fps << " Time: " << timeValue << " Scale: " << scale << " Mouse: (" << mousePos[0] << ", " << mousePos[1] << ")" << std::endl;
-
-			frameCount = 0;
-			lastTime = currentTime;
-		}
-
-		glUniform1f(timeLoc, timeValue);
-		glUniform1f(scaleLoc, scale);
-		glUniform2f(mouseLoc, mousePos[0], mousePos[1]);
-
-		frameCount++;
-
-		glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
-		glClear(GL_COLOR_BUFFER_BIT);
-		glBindVertexArray(VAO);
-		glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
-
-		glUseProgram(shaderProgram);
-
-		glfwSwapBuffers(window);
+		renderFrame(shaderProgram, VAO, resLoc, timeLoc, scaleLoc, mouseLoc, t, filename);
+		std::cout << "\rRendered frame " << i + 1 << "/" << totalFrames << std::flush;
 	}
 
+	std::cout << "\nDone! Stitch frames into video with ffmpeg:\n";
+	std::cout << "ffmpeg -framerate 30 -i ./frames/frame_%04d.png -c:v libx264 -pix_fmt yuv420p noise_video.mp4\n";
+
+	// ------------------ Cleanup ------------------
 	glDeleteVertexArrays(1, &VAO);
 	glDeleteBuffers(1, &VBO);
 	glDeleteBuffers(1, &EBO);
 	glDeleteProgram(shaderProgram);
-
 	glfwDestroyWindow(window);
 	glfwTerminate();
+
 	return 0;
 }

source/main.cpp.old

@@ -0,0 +1,263 @@
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <stdio.h>
+#include <stdlib.h>
+
+// glad and GLFW
+#include <GLFW/glfw3.h>
+#include <glad/glad.h>
+
+// glm math
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtc/type_ptr.hpp>
+
+// HPP files
+#include "shader.h"
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#include "stb_image_write.h"
+
+#define VERTEX_FILE "./shaders/vertex.glsl"
+#define FRAGMENT_FILE "./shaders/fragment.glsl"
+#define COMPUTE_FILE "./shaders/compute.glsl"
+
+const float SCR_WIDTH = 1200.0f;
+const float SCR_HEIGHT = 1200.0f;
+
+void renderProceduralVideo(GLuint shaderProgram, GLuint VAO, GLuint resLoc, GLuint timeLoc, int width, int height, float duration, int fps, const std::string &folder) {
+	int totalFrames = static_cast<int>(duration * fps);
+	for (int i = 0; i < totalFrames; ++i) {
+		float t = i / float(fps); // time in seconds
+		glUniform1f(timeLoc, t);
+		glUniform2f(resLoc, width, height);
+
+		// Setup off-screen FBO
+		GLuint fbo, texture;
+		glGenFramebuffers(1, &fbo);
+		glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+
+		glGenTextures(1, &texture);
+		glBindTexture(GL_TEXTURE_2D, texture);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
+
+		if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+			std::cerr << "Framebuffer not complete!\n";
+			return;
+		}
+
+		glViewport(0, 0, width, height);
+
+		glClearColor(0, 0, 0, 1);
+		glClear(GL_COLOR_BUFFER_BIT);
+
+		glUseProgram(shaderProgram);
+		glBindVertexArray(VAO);
+		glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+
+		std::vector<unsigned char> pixels(width * height * 3);
+		glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, pixels.data());
+
+		// Flip vertically
+		for (int y = 0; y < height / 2; ++y) {
+			int opposite = height - y - 1;
+			for (int x = 0; x < width * 3; ++x)
+				std::swap(pixels[y * width * 3 + x], pixels[opposite * width * 3 + x]);
+		}
+
+		char buffer[256];
+		sprintf(buffer, "%s/frame_%04d.png", folder.c_str(), i);
+		stbi_write_png(buffer, width, height, 3, pixels.data(), width * 3);
+
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+		glDeleteFramebuffers(1, &fbo);
+		glDeleteTextures(1, &texture);
+
+		std::cout << "\rRendering frame " << i + 1 << "/" << totalFrames << std::flush;
+	}
+	std::cout << "\nDone rendering video frames!\n";
+}
+
+// Call this function with your shader program, VAO, and desired size
+void renderProceduralToPNG(GLuint shaderProgram, GLuint VAO, int width, int height, const char *filename) {
+	// Setup off-screen framebuffer
+	GLuint fbo, texture;
+	glGenFramebuffers(1, &fbo);
+	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+
+	glGenTextures(1, &texture);
+	glBindTexture(GL_TEXTURE_2D, texture);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
+
+	if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+		std::cerr << "Framebuffer not complete!\n";
+		return;
+	}
+
+	// Save old viewport
+	GLint oldViewport[4];
+	glGetIntegerv(GL_VIEWPORT, oldViewport);
+
+	glViewport(0, 0, width, height);
+
+	// Clear and render
+	glClearColor(0, 0, 0, 1);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glUseProgram(shaderProgram);
+	glBindVertexArray(VAO);
+	glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+
+	// Read pixels
+	std::vector<unsigned char> pixels(width * height * 3);
+	glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, pixels.data());
+
+	// Flip vertically
+	for (int y = 0; y < height / 2; ++y) {
+		int opposite = height - y - 1;
+		for (int x = 0; x < width * 3; ++x) {
+			std::swap(pixels[y * width * 3 + x], pixels[opposite * width * 3 + x]);
+		}
+	}
+
+	stbi_write_png(filename, width, height, 3, pixels.data(), width * 3);
+
+	// Cleanup
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	glDeleteFramebuffers(1, &fbo);
+	glDeleteTextures(1, &texture);
+
+	// Restore old viewport
+	glViewport(oldViewport[0], oldViewport[1], oldViewport[2], oldViewport[3]);
+}
+
+int main(void) {
+	// Initialize GLFW
+	if (!glfwInit())
+		return -1;
+
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
+	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // REQUIRED on macOS
+	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+	glfwWindowHint(GLFW_SAMPLES, 8); // 8x MSAA
+
+	GLFWwindow *window = glfwCreateWindow((int)SCR_WIDTH, (int)SCR_HEIGHT, "RASTER", nullptr, nullptr);
+	if (!window) {
+		glfwTerminate();
+		return -1;
+	}
+	glfwMakeContextCurrent(window);
+
+	if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
+		std::cerr << "Failed to initialize GLAD\n";
+		return -1;
+	}
+
+	glViewport(0, 0, (int)SCR_WIDTH, (int)SCR_HEIGHT);
+
+	// DEBUG
+	std::cout << "OpenGL Version: " << glGetString(GL_VERSION) << std::endl;
+
+	// ERROR: macOS does not support compute shaders in OpenGL < 4.3.
+	// GLuint computeProgram = createComputeProgram(COMPUTE_FILE);
+
+	// ----- Vertex Data -----
+	// Cube
+	// Positions
+	float vertices[] = {// positions
+	                    -1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 0.0f, 1.0f, 1.0f, 0.0f, -1.0f, 1.0f, 0.0f};
+
+	unsigned int indices[] = {0, 1, 2, 2, 3, 0};
+
+	GLuint VAO, VBO, EBO;
+	glGenVertexArrays(1, &VAO);
+	glGenBuffers(1, &VBO);
+	glGenBuffers(1, &EBO);
+
+	glBindVertexArray(VAO);
+
+	glBindBuffer(GL_ARRAY_BUFFER, VBO);
+	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
+
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
+
+	// position - VERTEX SHADER
+	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void *)0);
+	glEnableVertexAttribArray(0);
+
+	// color - FRAGMENT SHADER
+	glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void *)(3 * sizeof(float)));
+	glEnableVertexAttribArray(1);
+
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	// glBindVertexArray(0);
+
+	// Load shaders
+	GLuint shaderProgram = createShaderProgram(VERTEX_FILE, FRAGMENT_FILE);
+
+	// Check if shader program was created successfully
+	if (shaderProgram == 0) {
+		std::cerr << "Failed to create shader programs.\n";
+		return -1;
+	}
+
+	// Caulculate model, view, projection matrices
+	glm::mat4 model = glm::mat4(1.0f);
+	glm::mat4 view = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -1.0f));
+	glm::mat4 projection = glm::perspective(glm::radians(45.0f), (SCR_WIDTH / SCR_HEIGHT) * 2, 0.1f, 100.0f);
+
+	GLuint modelLoc = (unsigned int)glGetUniformLocation(shaderProgram, "model");
+	GLuint viewLoc = (unsigned int)glGetUniformLocation(shaderProgram, "view");
+	GLuint projLoc = (unsigned int)glGetUniformLocation(shaderProgram, "projection");
+
+	glUseProgram(shaderProgram);
+	glUniformMatrix4fv((int)modelLoc, 1, GL_FALSE, glm::value_ptr(model));
+	glUniformMatrix4fv((int)viewLoc, 1, GL_FALSE, glm::value_ptr(view));
+	glUniformMatrix4fv((int)projLoc, 1, GL_FALSE, glm::value_ptr(projection));
+
+	GLint resLoc = glGetUniformLocation(shaderProgram, "u_resolution");
+	glUniform2f(resLoc, 3840, 2160); // hardcode for now
+
+	GLint timeLoc = glGetUniformLocation(shaderProgram, "u_time");
+
+	glEnable(GL_MULTISAMPLE);
+
+	float scale = 1.0f;
+	int frameCount = 0;
+
+	// Render loop
+	float timeValue = (float)glfwGetTime();
+
+	// --- FPS Counter ---
+	double currentTime = glfwGetTime();
+
+	glUniform1f(timeLoc, timeValue);
+	frameCount++;
+
+	std::string outputFolder = "./frames";
+	int width = 3840;
+	int height = 2160;
+	float duration = 120.0f; // seconds
+	int fps = 30;
+
+	renderProceduralVideo(shaderProgram, VAO, resLoc, timeLoc, width, height, duration, fps, outputFolder);
+
+	glDeleteVertexArrays(1, &VAO);
+	glDeleteBuffers(1, &VBO);
+	glDeleteBuffers(1, &EBO);
+	glDeleteProgram(shaderProgram);
+
+	glfwDestroyWindow(window);
+	glfwTerminate();
+	return 0;
+}