94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
//
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// Created by SeanOMik on 7/2/2020.
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// Github: https://github.com/SeanOMik
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//
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#ifndef SIMPLEENGINE_TRIANGLE_H
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#define SIMPLEENGINE_TRIANGLE_H
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#include <gl/glew.h>
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#include <gl/gl.h>
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#include <GLFW/glfw3.h>
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#include <glm/glm.hpp>
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#include "../../renderable.h"
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#include "../../vertex.h"
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#include "../../gfx/vbo.h"
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#include "../../gfx/vao.h"
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#include "simpleengine/gfx/vao.h"
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#include <vector>
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namespace simpleengine::shapes_2d {
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class Triangle : public simpleengine::Renderable {
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private:
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using super = simpleengine::Renderable;
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private:
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std::shared_ptr<GLuint> shader_program;
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public:
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std::vector<Vertex> vertices;
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gfx::VBO vbo;
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gfx::VAO vao;
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Triangle(std::shared_ptr<GLuint> shader_program, std::vector<Vertex> vertices) : super(nullptr),
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shader_program(shader_program), vertices(vertices), vbo(gfx::VBO(GL_ARRAY_BUFFER, false)),
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vao(gfx::VAO()) {
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vao.bind();
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vbo.buffer(vertices.data(), 0, sizeof(Vertex) * vertices.size());
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/* vao.enable_attrib(vbo, 0, 3, GL_FLOAT, sizeof(Vertex), offsetof(Vertex, position));
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vao.enable_attrib(vbo, 1, 3, GL_FLOAT, sizeof(Vertex), offsetof(Vertex, color));
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vao.enable_attrib(vbo, 2, 2, GL_FLOAT, sizeof(Vertex), offsetof(Vertex, tex_coord)); */
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (GLvoid*)offsetof(Vertex, position));
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glEnableVertexAttribArray(0);
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glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (GLvoid*)offsetof(Vertex, color));
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glEnableVertexAttribArray(1);
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glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (GLvoid*)offsetof(Vertex, tex_coord));
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glEnableVertexAttribArray(2);
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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glBindVertexArray(0);
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/* glCreateVertexArrays(1, &vao);
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glBindVertexArray(vao);
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glGenBuffers(1, &vbo);
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glBindBuffer(GL_ARRAY_BUFFER, vbo);
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glBufferData(GL_ARRAY_BUFFER, sizeof(Vertex) * vertices.size(), vertices.data(), GL_STATIC_DRAW);
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (GLvoid*)offsetof(Vertex, position));
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glEnableVertexAttribArray(0);
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glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (GLvoid*)offsetof(Vertex, color));
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glEnableVertexAttribArray(1);
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glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (GLvoid*)offsetof(Vertex, tex_coord));
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glEnableVertexAttribArray(2);
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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glBindVertexArray(0); */
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}
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virtual ~Triangle() = default;
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virtual void update(const float& delta_time) override {
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}
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virtual void render(std::shared_ptr<GLFWwindow> target) override {
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glUseProgram(*shader_program);
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vao.bind();
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glDrawArrays(GL_TRIANGLES, 0, vertices.size());
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}
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};
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}
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#endif //SIMPLEENGINE_TRIANGLE_H
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