Meshes can display textures

shaders/frag.shader

@@ -1,8 +1,13 @@
 #version 300 es
 precision mediump float;
 
+in vec2 TexCoord;
+
 out vec4 FragColor;
 
+uniform sampler2D theTexture;
+
 void main() {
-	FragColor = vec4(1.f, 0.5f, 0.2f, 1.0f);
+	//FragColor = vec4(1.f, 0.5f, 0.2f, 1.0f);
+	FragColor = texture(theTexture, TexCoord);
 }

shaders/vert.shader

@@ -1,7 +1,11 @@
 #version 300 es
 
-layout (location = 0) in vec3 aPos;
+layout (location = 0) in vec2 aPos;
+layout (location = 1) in vec2 texCoord;
+
+out vec2 TexCoord;
 
 void main() {
-	gl_Position = vec4(aPos.x,aPos.y,aPos.z,1.0);
+	gl_Position = vec4(aPos.x,aPos.y,0.,1.0);
+	TexCoord = texCoord;
 }

src/DarkRP2D.cpp

@@ -13,12 +13,20 @@ DarkRP2D::~DarkRP2D() {
 void DarkRP2D::create () {
 	std::cout << "Hello World!" << std::endl;
 	assets = new Assets();
-	assets->loadTexture("bucket.png",false,"bucket");
+	assets->loadTexture("police_officer.png",true,"police_officer");
-	assets->loadTexture("drop.png",false,"drop");
 	assets->loadShader("vert.shader","frag.shader",nullptr,"defaultShader");
 	assets->loadShader("bitmapvert.shader","bitmapfrag.shader",nullptr,"bitmapShader");
 
-	obj = new Mesh();
+	std::vector<Vertex2D> vertices({
+		Vertex2D{glm::vec2(-0.5f,-0.5f), glm::vec2(0.0f,0.0f)},
+		Vertex2D{glm::vec2(0.5f,-0.5f), glm::vec2(1.0f,0.0f)},
+		Vertex2D{glm::vec2(0.0f,0.5f), glm::vec2(0.5f,1.0f)}
+	});
+	std::vector<unsigned int> indices({
+		0,1,2,0
+	});
+
+	obj = new Mesh(vertices,indices,assets->getTexture("police_officer"));
 	inputHandler = new InputHandler();
 	font = new BitmapFont("arial.ttf");
 

src/DarkRP2D.h

@@ -1,7 +1,7 @@
-#ifndef REASSEMBLY2_H
+#ifndef DarkRP2D_H
-#define REASSEMBLY2_H
+#define DarkRP2D_H
 
-class Reassembly2;
+class DarkRP2D;
 #include <SDL.h>
 #include <vector>
 #include "Assets.h"

src/Mesh.cpp

@@ -3,35 +3,51 @@
 #include <GL/glew.h>
 #include <iostream>
 
-Mesh::Mesh() {
+
+Mesh::Mesh(std::vector<Vertex2D> vertices, std::vector<unsigned int> indices, Texture2D texture) {
+	this->texture = texture;
+	this->vertices = vertices;
+	this->indices = indices;
+
+	setupMesh();
+}
+
+void Mesh::setupMesh() {
+	//Create VAO & Bind
+	glGenVertexArrays(1, &VAO);
+	glBindVertexArray(VAO);
 	//Create VBO
 	glGenBuffers(1, &VBO);
-	float vertices[] = {
-		-0.5f, -0.5f, 0.0f,
-		0.5f, -0.5f, 0.0f,
-		0.0f,  0.5f, 0.0f
-	};
 	glBindBuffer(GL_ARRAY_BUFFER,VBO);
-	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices),vertices, GL_STATIC_DRAW);
+	glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(Vertex2D), &vertices[0], GL_STATIC_DRAW);
-	//Create VAO
+	//Create EBO
-	glGenBuffers(1, &VAO);
+	glGenBuffers(1, &EBO);
-	glBindVertexArray(VAO);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned int), &indices[0], GL_STATIC_DRAW);
+	
 	//Set attriPointer and enable
-	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void *) 0);
 	glEnableVertexAttribArray(0);
+	glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex2D), (void *) 0);
+
+	glEnableVertexAttribArray(1);
+	glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex2D), (void *)offsetof(Vertex2D, texCoord));
 
 	//Cleanup
-	glBindBuffer(GL_ARRAY_BUFFER,0);
 	glBindVertexArray(0);
 }
 
 Mesh::~Mesh() {
 	std::cout << "Deleting Mesh" << std::endl;
 	glDeleteBuffers(1,&VBO);
+	glDeleteBuffers(1,&EBO);
 	glDeleteBuffers(1,&VAO);
 }
 
 void Mesh::draw() {
+	//Bind Texture
+	texture.Bind();
+	//draw Mesh
 	glBindVertexArray(this->VAO);
-	glDrawArrays(GL_TRIANGLES, 0, 3);
+	glDrawElements(GL_TRIANGLES, indices.size(), GL_UNSIGNED_INT, 0);
+	glBindVertexArray(0);
 }

src/Mesh.h

@@ -1,12 +1,28 @@
 #ifndef MESH_H
 #define MESH_H
 
+#include "Texture.h"
+#include <glm/glm.hpp>
+#include <vector>
+
+struct Vertex2D {
+	glm::vec2 position;
+	glm::vec2 texCoord;
+};
+
 class Mesh {
 	private:
-	unsigned int VBO, VAO;
+	unsigned int VBO, VAO, EBO;
+
+	void setupMesh();
 
 	public:
-	Mesh();
+	/*  Mesh Data  */
+    std::vector<Vertex2D> vertices;
+    std::vector<unsigned int> indices;
+    Texture2D texture;
+
+	Mesh(std::vector<Vertex2D> vertices, std::vector<unsigned int> indices,Texture2D textures);
 	~Mesh();
 
 	void draw();

src/Texture.cpp

@@ -4,7 +4,7 @@
 
 
 Texture2D::Texture2D()
-    : Width(0), Height(0), Internal_Format(GL_RGB), Image_Format(GL_RGB), Wrap_S(GL_REPEAT), Wrap_T(GL_REPEAT), Filter_Min(GL_LINEAR), Filter_Max(GL_LINEAR)
+    : Width(0), Height(0), Internal_Format(GL_RGB), Image_Format(GL_RGB), Wrap_S(GL_REPEAT), Wrap_T(GL_REPEAT), Filter_Min(GL_NEAREST), Filter_Max(GL_NEAREST)
 {
     glGenTextures(1, &this->ID);
 }