massive refactor

src/main/java/org/example/Game.java

@@ -1,149 +0,0 @@
-package org.example;
-
-import org.joml.*;
-import org.lwjgl.*;
-import org.lwjgl.Version;
-import org.lwjgl.glfw.*;
-import org.lwjgl.opengl.*;
-import org.lwjgl.system.*;
-
-import java.lang.Math;
-import java.nio.*;
-import java.io.*;
-import java.text.MessageFormat;
-
-import static org.lwjgl.glfw.Callbacks.*;
-import static org.lwjgl.glfw.GLFW.*;
-import static org.lwjgl.opengl.GL11.*;
-import static org.lwjgl.opengl.GL15.*;
-import static org.lwjgl.opengl.GL20.*;
-import static org.lwjgl.opengl.GL30.*;
-import static org.lwjgl.system.MemoryStack.*;
-import static org.lwjgl.system.MemoryUtil.*;
-
-import com.mokiat.data.front.parser.*;
-import org.lwjgl.system.MemoryStack;
-
-public class Game
-{
-    public static final float Z_FAR = 1000.0f;
-    public static final float Z_NEAR = 0.1f;
-    public static final float FOV = (float) Math.toRadians(90.0f);
-    private long window;
-    private Matrix4f projection_matrix;
-
-    public void run()
-    {
-        System.out.println("Running LWJGL Version " + Version.getVersion() + ".");
-
-        init();
-        loop();
-
-        // Free the window callbacks and destroy the window
-        glfwFreeCallbacks(window);
-        glfwDestroyWindow(window);
-
-        // Terminate GLFW and free the error callback
-        glfwTerminate();
-        glfwSetErrorCallback(null).free();
-    }
-
-    public void init()
-    {
-        GLFWErrorCallback.createPrint(System.err).set();
-
-        if (!glfwInit())
-            throw new IllegalStateException("Unable to Initialize GLFW");
-
-        // Configure GLFW
-        glfwDefaultWindowHints(); // optional, the current window hints are already the default
-        glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // the window will stay hidden after creation
-        glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // the window will be resizable
-
-        // Create the window
-        window = glfwCreateWindow(300, 300, "Hello World!", NULL, NULL);
-        if ( window == NULL )
-            throw new RuntimeException("Failed to create the GLFW window");
-
-        // Setup a key callback. It will be called every time a key is pressed, repeated or released.
-        glfwSetKeyCallback(window, (window, key, scancode, action, mods) -> {
-            if ( key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE )
-                glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
-        });
-
-        // Get the thread stack and push a new frame
-        try ( MemoryStack stack = stackPush() ) {
-            IntBuffer pWidth = stack.mallocInt(1); // int*
-            IntBuffer pHeight = stack.mallocInt(1); // int*
-
-            // Get the window size passed to glfwCreateWindow
-            glfwGetWindowSize(window, pWidth, pHeight);
-
-            // Get the resolution of the primary monitor
-            GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
-
-            // Center the window
-            glfwSetWindowPos(
-                    window,
-                    (vidmode.width() - pWidth.get(0)) / 2,
-                    (vidmode.height() - pHeight.get(0)) / 2
-            );
-        } // the stack frame is popped automatically
-
-        // Make the OpenGL context current
-        glfwMakeContextCurrent(window);
-        // Enable v-sync
-        glfwSwapInterval(1);
-
-        // Make the window visible
-        glfwShowWindow(window);
-    }
-
-    private void loop()
-    {
-        // Setup world
-        World world = new World();
-
-        // Do open gl stuff
-        GL.createCapabilities();
-        glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
-
-        // Add stuff to world
-        world.addEntity(new Entity("/objs/cube.obj", "/shaders/shader.frag", "/shaders/shader.vert"));
-
-        // Calculate Perspective Matrix
-        int w, h;
-        glfwGetWindowSize(window, w, h);
-        float aspect_ratio = (float) ;
-        this.projection_matrix = new Matrix4f().perspective(FOV, )
-
-        // Main loop or something
-        while ( !glfwWindowShouldClose(window) )
-        {
-            glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-            glfwSwapBuffers(window);
-
-            for (Entity entity : world.entities)
-                render(entity);
-
-            glfwPollEvents();
-        }
-    }
-
-    public void render(Entity entity) {
-        entity.shader.bind();
-
-        glBindVertexArray(entity.mesh.vao_id);
-        glEnableVertexAttribArray(0);
-        glEnableVertexAttribArray(1);
-        glDrawElements(GL_TRIANGLES, entity.mesh.vertex_count, GL_UNSIGNED_INT, 0);
-    }
-
-    public static void main(String[] args)
-    {
-        new Game().run();
-    }
-
-
-}

src/main/java/org/example/Window.java

@@ -1,24 +0,0 @@
-package org.example;
-
-
-import org.lwjgl.glfw.*;
-import org.lwjgl.system.MemoryUtil;
-
-import java.util.concurrent.Callable;
-
-import static org.lwjgl.glfw.Callbacks.glfwFreeCallbacks;
-import static org.lwjgl.glfw.GLFW.*;
-import static org.lwjgl.opengl.GL11.*;
-import static org.lwjgl.system.MemoryUtil.NULL;
-
-public class Window {
-    public long window_handle;
-
-    public int height;
-    public int width;
-    private Callable<Void> resize_func;
-
-    public Window(String title, Callable<Void> resize_func) {
-        
-    }
-}

src/main/java/org/xfe/engine/Engine.java

@@ -0,0 +1,95 @@
+package org.xfe.engine;
+
+import org.joml.*;
+
+import java.lang.Math;
+
+public class Engine
+{
+    public static final int TARGET_UPS = 30;
+    private final GameLogic gameLogic;
+    private final Render render;
+    private final Window window;
+    private final World world;
+    private int target_fps;
+    private int target_ups;
+    private boolean running;
+
+    public static final float Z_FAR = 1000.0f;
+    public static final float Z_NEAR = 0.1f;
+    public static final float FOV = (float) Math.toRadians(90.0f);
+
+    public Engine(String window_title, Window.WindowOptions opts, GameLogic gameLogic) {
+        window = new Window(window_title, opts, () -> {
+            resize();
+            return null;
+        });
+        target_fps = opts.fps;
+        target_ups = opts.ups;
+
+        this.gameLogic = gameLogic;
+        this.render = new Render();
+        this.world = new World();
+
+        gameLogic.init(window, world, render);
+
+        this.running = true;
+    }
+
+    private void cleanup() {
+        this.gameLogic.cleanup();
+        this.render.cleanup();
+        this.world.cleanup();
+        this.window.cleanup();
+    }
+
+    private void resize() {
+
+    }
+
+    private void run() {
+        long initialTime = System.currentTimeMillis();
+        float timeU = 1000.0f / target_ups;
+        float timeR = target_fps > 0 ? 1000.0f / target_fps : 0;
+        float deltaUpdate = 0;
+        float deltaFps = 0;
+
+        long updateTime = initialTime;
+        while (running && !window.windowShouldClose()) {
+            window.pollEvents();
+
+            long now = System.currentTimeMillis();
+            deltaUpdate += (now - initialTime) / timeU;
+            deltaFps += (now - initialTime) / timeR;
+
+            if (target_fps <= 0 || deltaFps >= 1) {
+                gameLogic.input(window, world, now - initialTime);
+            }
+
+            if (deltaUpdate >= 1) {
+                long diffTimeMillis = now - updateTime;
+                gameLogic.update(window, world, diffTimeMillis);
+                updateTime = now;
+                deltaUpdate--;
+            }
+
+            if (target_fps <= 0 || deltaFps >= 1) {
+                render.render(window, world);
+                deltaFps--;
+                window.update();
+            }
+            initialTime = now;
+        }
+
+        cleanup();
+    }
+
+    public void start() {
+        running = true;
+        run();
+    }
+
+    public void stop() {
+        running = false;
+    }
+}

src/main/java/org/xfe/engine/Entity.java

@@ -1,13 +1,5 @@
-package org.example;
+package org.xfe.engine;
 
-import com.mokiat.data.front.parser.IOBJParser;
-import com.mokiat.data.front.parser.OBJModel;
-import com.mokiat.data.front.parser.OBJParser;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.InputStream;
-import java.text.MessageFormat;
 import java.util.Scanner;
 
 public class Entity
@@ -44,5 +36,19 @@ public class Entity
             System.out.println("ERROR Initializing the fragment shader");
             e.printStackTrace();
         }
+
+        try {
+            shader.link();
+        } catch (Exception e) {
+            System.out.println("Error linking shader program");
+            e.printStackTrace();
+        }
+
+
+        try {
+            shader.createUniform("projection");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
     }
 }

src/main/java/org/xfe/engine/GameLogic.java

@@ -0,0 +1,11 @@
+package org.xfe.engine;
+
+public interface GameLogic {
+    void cleanup();
+
+    void init(Window window, World world, Render render);
+
+    void input(Window window, World world, long diffTimeMillis);
+
+    void update(Window window, World world, long diffTimeMillis);
+}

src/main/java/org/xfe/engine/Light.java

@@ -0,0 +1,17 @@
+package org.xfe.engine;
+
+import org.joml.Vector3f;
+
+public class Light {
+    Vector3f position;
+
+    float power;
+
+    Vector3f color;
+
+    public Light(Vector3f position, float power, Vector3f color) {
+        this.position = position;
+        this.power = power;
+        this.color = color;
+    }
+}

src/main/java/org/xfe/engine/Mesh.java

@@ -1,11 +1,13 @@
-package org.example;
+package org.xfe.engine;
 
 import org.apache.commons.lang3.ArrayUtils;
 import org.lwjgl.system.MemoryUtil;
 
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.io.InputStream;
 import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
 import java.util.ArrayList;
 import java.util.Scanner;
 
@@ -19,6 +21,7 @@ public class Mesh {
     public int vertex_count;
     public int vao_id;
     public int vbo_id;
+    public int ebo_id;
 
     Float[] vertices;
     Float[] normals;
@@ -38,7 +41,7 @@ public class Mesh {
         ArrayList<Integer> temp_normal_indices = new ArrayList<>();
 
         Scanner scanner;
-        File obj;
+        InputStream obj;
 
         String line;
         String[] face_data_temp;
@@ -47,9 +50,9 @@ public class Mesh {
 
         // Try to open the file
         try {
-            obj = new File(file_path);
+            obj = this.getClass().getResourceAsStream(file_path);
             scanner = new Scanner(obj);
-        } catch (FileNotFoundException e) {
+        } catch (Exception e) {
             System.out.println("ERROR: OBJ File \"" + file_path + "\" not found.");
             e.printStackTrace();
             return;
@@ -98,11 +101,13 @@ public class Mesh {
         FloatBuffer vertices_buffer = null;
 
         try {
+
+            // Bind our vertices into the VBO
             vertices_buffer = MemoryUtil.memAllocFloat(this.vertices.length);
             vertex_count = this.vertices.length / 3;
 
             // Convert from our object list to the primitive float array
-            vertices_buffer.put(ArrayUtils.toPrimitive(this.vertices)).flip();
+            vertices_buffer.put(ArrayUtils.toPrimitive(this.vertices));
 
             this.vao_id = glGenVertexArrays();
             glBindVertexArray(this.vao_id);
@@ -112,6 +117,18 @@ public class Mesh {
             glBufferData(GL_ARRAY_BUFFER, vertices_buffer, GL_STATIC_DRAW);
             glVertexAttribPointer(0, 3, GL_FLOAT, false, 0, 0);
 
+            // Bind indices in EBO
+            if (this.vertice_indices.length > 0)
+            {
+                // TODO : @0x01fe probably should free this (memory leaks are like bad or smthng)
+                IntBuffer indice_buffer = MemoryUtil.memAllocInt(vertice_indices.length);
+                indice_buffer.put(ArrayUtils.toPrimitive(vertice_indices));
+
+                ebo_id = glGenBuffers();
+                glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo_id);
+                glBufferData(GL_ELEMENT_ARRAY_BUFFER, indice_buffer, GL_STATIC_DRAW);
+            }
+
             glBindBuffer(GL_ARRAY_BUFFER, 0);
         } finally {
             if (vertices_buffer != null) {

src/main/java/org/xfe/engine/Render.java

@@ -0,0 +1,50 @@
+package org.xfe.engine;
+
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+import org.lwjgl.opengl.GL;
+import static org.lwjgl.glfw.GLFW.*;
+import static org.lwjgl.opengl.GL11.*;
+import static org.lwjgl.opengl.GL15.*;
+import static org.lwjgl.opengl.GL20.*;
+import static org.lwjgl.opengl.GL30.*;
+
+public class Render {
+
+    private Matrix4f projection_matrix;
+    public Render() {
+        GL.createCapabilities();
+    }
+
+    public void cleanup() {
+        // Nothing to be done here yet
+    }
+
+    public void render(Window window, World world) {
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+        glfwSwapBuffers(window.getWindowHandle());
+
+        float aspect_ratio = (float) window.getWidth() / window.getHeight();
+        projection_matrix = new Matrix4f().perspective(Engine.FOV, aspect_ratio, Engine.Z_FAR, Engine.Z_NEAR);
+
+        for (Entity entity : world.entities) {
+            entity.shader.bind();
+
+            entity.shader.setUniform("projection", projection_matrix);
+//            entity.shader.setUniform("model", new Matrix4f().identity());
+//            entity.shader.setUniform("view", new Matrix4f().identity());
+//            entity.shader.setUniform("lightPos", world.lights.get(0).position);
+//            entity.shader.setUniform("light_power", world.lights.get(0).power);
+//            entity.shader.setUniform("lightColor", world.lights.get(0).color);
+//            entity.shader.setUniform("objectColor", new Vector3f(1.0f, 1.0f, 1.0f));
+//            entity.shader.setUniform("viewPos", new Vector3f(0.0f, 0.0f, 0.0f));
+
+
+            glBindVertexArray(entity.mesh.ebo_id);
+            glEnableVertexAttribArray(0);
+//            glEnableVertexAttribArray(1);
+            glDrawElements(GL_TRIANGLES, entity.mesh.vertice_indices.length, GL_UNSIGNED_INT, 0);
+        }
+    }
+}

src/main/java/org/xfe/engine/ShaderProgram.java

@@ -1,4 +1,12 @@
-package org.example;
+package org.xfe.engine;
+
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+import org.lwjgl.system.MemoryStack;
+
+import java.nio.FloatBuffer;
+import java.util.HashMap;
+import java.util.Map;
 
 import static org.lwjgl.opengl.GL20.*;
 
@@ -6,11 +14,14 @@ public class ShaderProgram {
 
     private final int programId;
 
+    private final Map<String, Integer> uniforms;
+
     private int vertexShaderId;
 
     private int fragmentShaderId;
 
     public ShaderProgram() throws Exception {
+        uniforms = new HashMap<>();
         programId = glCreateProgram();
         if (programId == 0) {
             throw new Exception("Could not create Shader");
@@ -79,51 +90,32 @@ public class ShaderProgram {
     }
 
     // Set stuff
-    public void setFloat(String name, float value) {
-        glUniform1f(glGetUniformLocation(programId, name), value);
+    public void createUniform(String uniform_name) throws Exception {
+        int uniform_location = glGetUniformLocation(this.programId, uniform_name);
+
+        if (uniform_location < 0)
+            throw new Exception("Could not find uniform: " + uniform_name);
+        uniforms.put(uniform_name, uniform_location);
     }
 
-    public void setBool(String name, boolean value) {
-        glUniform1i(glGetUniformLocation(programId, name), value ? 1 : 0);
+    public void setUniform(String uniform_name, Matrix4f value) {
+        // Dump the matrix into a float buffer
+        try (MemoryStack stack = MemoryStack.stackPush()) {
+            FloatBuffer floatBuffer = stack.mallocFloat(16);
+            value.get(floatBuffer);
+            glUniformMatrix4fv(uniforms.get(uniform_name), false, floatBuffer);
+        }
     }
 
-    public void setInt(String name, int value) {
-        glUniform1i(glGetUniformLocation(programId, name), value);
+    public void setUniform(String uniform_name, float value) {
+        glUniform1f(uniforms.get(uniform_name), value);
     }
 
-    public void setVec2(String name, float[] value) {
-        glUniform2fv(glGetUniformLocation(programId, name), value);
+    public void setUniform(String uniform_name, Vector3f value) {
+        try (MemoryStack stack = MemoryStack.stackPush()) {
+            FloatBuffer floatBuffer = stack.mallocFloat(3);
+            value.get(floatBuffer);
+            glUniform3fv(uniforms.get(uniform_name), floatBuffer);
         }
-
-    public void setVec2(String name, float x, float y) {
-        glUniform2f(glGetUniformLocation(programId, name), x, y);
-    }
-
-    public void setVec3(String name, float[] value) {
-        glUniform3fv(glGetUniformLocation(programId, name), value);
-    }
-
-    public void setVec3(String name, float x, float y, float z) {
-        glUniform3f(glGetUniformLocation(programId, name), x, y, z);
-    }
-
-    public void setVec4(String name, float[] value) {
-        glUniform4fv(glGetUniformLocation(programId, name), value);
-    }
-
-    public void setVec4(String name, float x, float y, float z, float w) {
-        glUniform4f(glGetUniformLocation(programId, name), x, y, z, w);
-    }
-
-    public void setMat2(String name, float[] mat) {
-        glUniformMatrix2fv(glGetUniformLocation(programId, name), false, mat);
-    }
-
-    public void setMat3(String name, float[] mat) {
-        glUniformMatrix3fv(glGetUniformLocation(programId, name), false, mat);
-    }
-
-    public void setMat4(String name, float[] mat) {
-        glUniformMatrix4fv(glGetUniformLocation(programId, name), false, mat);
     }
 }

src/main/java/org/xfe/engine/Window.java

@@ -0,0 +1,137 @@
+package org.xfe.engine;
+
+import org.lwjgl.glfw.*;
+
+import java.util.concurrent.Callable;
+
+import static org.lwjgl.glfw.Callbacks.glfwFreeCallbacks;
+import static org.lwjgl.glfw.GLFW.*;
+import static org.lwjgl.opengl.GL11.*;
+import static org.lwjgl.system.MemoryUtil.NULL;
+
+public class Window {
+
+    private final long windowHandle;
+    private int height;
+    private Callable<Void> resizeFunc;
+    private int width;
+
+    public Window(String title, WindowOptions opts, Callable<Void> resizeFunc) {
+        this.resizeFunc = resizeFunc;
+        if (!glfwInit()) {
+            throw new IllegalStateException("Unable to initialize GLFW");
+        }
+
+        glfwDefaultWindowHints();
+        glfwWindowHint(GLFW_VISIBLE, GL_FALSE);
+        glfwWindowHint(GLFW_RESIZABLE, GL_TRUE);
+
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
+        if (opts.compatibleProfile) {
+            glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_COMPAT_PROFILE);
+        } else {
+            glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+            glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+        }
+
+        if (opts.width > 0 && opts.height > 0) {
+            this.width = opts.width;
+            this.height = opts.height;
+        } else {
+            glfwWindowHint(GLFW_MAXIMIZED, GLFW_TRUE);
+            GLFWVidMode vidMode = glfwGetVideoMode(glfwGetPrimaryMonitor());
+            width = vidMode.width();
+            height = vidMode.height();
+        }
+
+        windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
+        if (windowHandle == NULL) {
+            throw new RuntimeException("Failed to create the GLFW window");
+        }
+
+        glfwSetFramebufferSizeCallback(windowHandle, (window, w, h) -> resized(w, h));
+
+        glfwSetKeyCallback(windowHandle, (window, key, scancode, action, mods) -> {
+            keyCallBack(key, action);
+        });
+
+        glfwMakeContextCurrent(windowHandle);
+
+        if (opts.fps > 0) {
+            glfwSwapInterval(0);
+        } else {
+            glfwSwapInterval(1);
+        }
+
+        glfwShowWindow(windowHandle);
+
+        int[] arrWidth = new int[1];
+        int[] arrHeight = new int[1];
+        glfwGetFramebufferSize(windowHandle, arrWidth, arrHeight);
+        width = arrWidth[0];
+        height = arrHeight[0];
+    }
+
+    public void cleanup() {
+        glfwFreeCallbacks(windowHandle);
+        glfwDestroyWindow(windowHandle);
+        glfwTerminate();
+        GLFWErrorCallback callback = glfwSetErrorCallback(null);
+        if (callback != null) {
+            callback.free();
+        }
+    }
+
+    public int getHeight() {
+        return height;
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    public long getWindowHandle() {
+        return windowHandle;
+    }
+
+    public boolean isKeyPressed(int keyCode) {
+        return glfwGetKey(windowHandle, keyCode) == GLFW_PRESS;
+    }
+
+    public void keyCallBack(int key, int action) {
+        if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
+            glfwSetWindowShouldClose(windowHandle, true); // We will detect this in the rendering loop
+        }
+    }
+
+    public void pollEvents() {
+        glfwPollEvents();
+    }
+
+    protected void resized(int width, int height) {
+        this.width = width;
+        this.height = height;
+        try {
+            resizeFunc.call();
+        } catch (Exception excp) {
+            excp.printStackTrace();
+        }
+    }
+
+    public void update() {
+        glfwSwapBuffers(windowHandle);
+    }
+
+    public boolean windowShouldClose() {
+        return glfwWindowShouldClose(windowHandle);
+    }
+
+    public static class WindowOptions {
+        public boolean compatibleProfile;
+        public int fps;
+        public int height;
+        public int ups = Engine.TARGET_UPS;
+        public int width;
+    }
+}

src/main/java/org/xfe/engine/World.java

@@ -1,4 +1,6 @@
-package org.example;
+package org.xfe.engine;
+
+import org.joml.Vector3f;
 
 import java.util.ArrayList;
 
@@ -6,14 +8,22 @@ public class World
 {
     ArrayList<Entity> entities;
 
+    ArrayList<Light> lights;
+
     public World()
     {
         this.entities = new ArrayList<>();
+        this.lights = new ArrayList<>();
     }
 
     public void addEntity(Entity e)
     {
         this.entities.add(e);
     }
+    public void addLight(Light l) {
+        this.lights.add(l);
+    }
+
+    public void cleanup() {}
 
 }

src/main/java/org/xfe/game/Main.java

@@ -0,0 +1,33 @@
+package org.xfe.game;
+
+import org.xfe.engine.*;
+
+public class Main implements GameLogic {
+
+    public static void main(String[] args) {
+        Main main = new Main();
+        Engine engine = new Engine("Test", new Window.WindowOptions(), main);
+        engine.start();
+    }
+
+    @Override
+    public void cleanup() {
+
+    }
+
+    @Override
+    public void init(Window window, World world, Render render) {
+        Entity cube = new Entity("/objs/cube.obj", "/shaders/shader.frag", "/shaders/shader.vert");
+        world.addEntity(cube);
+    }
+
+    @Override
+    public void input(Window window, World world, long diffTimeMillis) {
+
+    }
+
+    @Override
+    public void update(Window window, World world, long diffTimeMillis) {
+
+    }
+}

src/main/resources/shaders/shader.frag

@@ -2,14 +2,14 @@
 out vec4 FragColor;
 
 
-uniform float light_power;
-uniform vec3 lightColor;
-uniform vec3 objectColor;
-uniform vec3 viewPos;
+//uniform float light_power;
+//uniform vec3 lightColor;
+//uniform vec3 objectColor;
+//uniform vec3 viewPos;
 
 in vec3 FragPos;
-in vec3 Normal;
-in vec3 LightPos;
+//in vec3 Normal;
+//in vec3 LightPos;
 
 // const float light_power = 12.0;
 const float ambientStrength = 0.2;
@@ -18,35 +18,6 @@ const float screenGamma = 2.2; // Assume the monitor is calibrated to the sRGB c
 
 void main()
 {
-    // FragColor = vec4(1.0f, 0.0f, 0.0f, 1.0f);
-
-    vec3 lightDir = LightPos - FragPos;
-    float distance = length(lightDir);
-    vec3 norm = normalize(Normal);
-    vec3 ambient = ambientStrength * lightColor;
-
-    distance = distance * distance;
-    lightDir = normalize(lightDir);
-
-    float lambertian = max(dot(norm, lightDir), 0.0);
-    vec3 diffuse = lambertian * lightColor;
-    float specular = 0.0;
-
-    if (lambertian > 0.0)
-    {
-        vec3 viewDir = normalize(-FragPos);
-
-        vec3 halfDir = normalize(lightDir + viewDir);
-        float specAngle = max(dot(halfDir, norm), 0.0);
-        specular = pow(specAngle, shininess);
-    }
-
-    vec3 colorLinear = (ambient + (diffuse * light_power) + (specular * light_power)) * objectColor;
-
-    // vec3 colorGammaCorrected = pow(colorLinear, vec3(1.0 / screenGamma));
-
-    FragColor = vec4(colorLinear, 1.0);
-
-    // vec3 norm = normalize(Normal);
+    FragColor = vec4(1.0f, 0.0f, 0.0f, 1.0f);
 }
 

src/main/resources/shaders/shader.vert

@@ -1,22 +1,23 @@
 #version 330 core
 layout (location = 0) in vec3 aPos;
-layout (location = 1) in vec3 aNormal;
+// layout (location = 1) in vec3 aNormal;
 //layout (location = 1) in vec3 aColor;
 
-uniform mat4 model;
-uniform mat4 view;
+// uniform mat4 model;
+// uniform mat4 view;
 uniform mat4 projection;
-uniform vec3 lightPos;
+// uniform vec3 lightPos;
 
 out vec3 FragPos;
-out vec3 Normal;
-out vec3 LightPos;
+// out vec3 Normal;
+// out vec3 LightPos;
 
 void main()
 {
-    gl_Position = projection * view * model * vec4(aPos, 1.0);
-    FragPos = vec3(view * model * vec4(aPos, 1.0));
-    Normal = mat3(transpose(inverse(view * model))) * aNormal;
-    LightPos = vec3(view * vec4(lightPos, 1.0));
+    // * view * model
+    gl_Position = projection * vec4(aPos, 1.0);
+    FragPos = vec3(vec4(aPos, 1.0));
+//     Normal = mat3(transpose(inverse(view * model))) * aNormal;
+//    LightPos = vec3(view * vec4(lightPos, 1.0));
 }