From 400410fcd436d5e4310bfa779f0309c5fae5b2c2 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 16 Jan 2021 18:09:15 +0000
Subject: Initial commit

Stripped back and formatted from https://github.com/BennyQBD/ModernOpenGLTutorial/
---
 main.cpp | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 main.cpp

(limited to 'main.cpp')

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..431610b
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,101 @@
+#include "camera.h"
+#include "display.h"
+#include "mesh.h"
+#include "shader.h"
+#include "texture.h"
+#include "transform.h"
+#include <SDL2/SDL.h>
+#include <iostream>
+
+static const int DISPLAY_WIDTH = 800;
+static const int DISPLAY_HEIGHT = 600;
+
+int
+main(int argc, char ** argv)
+{
+	Display display(DISPLAY_WIDTH, DISPLAY_HEIGHT, "OpenGL");
+
+	Vertex vertices[] = {
+			Vertex(glm::vec3(-1, -1, -1), glm::vec2(1, 0), glm::vec3(0, 0, -1)),
+			Vertex(glm::vec3(-1, 1, -1), glm::vec2(0, 0), glm::vec3(0, 0, -1)),
+			Vertex(glm::vec3(1, 1, -1), glm::vec2(0, 1), glm::vec3(0, 0, -1)),
+			Vertex(glm::vec3(1, -1, -1), glm::vec2(1, 1), glm::vec3(0, 0, -1)),
+
+			Vertex(glm::vec3(-1, -1, 1), glm::vec2(1, 0), glm::vec3(0, 0, 1)),
+			Vertex(glm::vec3(-1, 1, 1), glm::vec2(0, 0), glm::vec3(0, 0, 1)),
+			Vertex(glm::vec3(1, 1, 1), glm::vec2(0, 1), glm::vec3(0, 0, 1)),
+			Vertex(glm::vec3(1, -1, 1), glm::vec2(1, 1), glm::vec3(0, 0, 1)),
+
+			Vertex(glm::vec3(-1, -1, -1), glm::vec2(0, 1), glm::vec3(0, -1, 0)),
+			Vertex(glm::vec3(-1, -1, 1), glm::vec2(1, 1), glm::vec3(0, -1, 0)),
+			Vertex(glm::vec3(1, -1, 1), glm::vec2(1, 0), glm::vec3(0, -1, 0)),
+			Vertex(glm::vec3(1, -1, -1), glm::vec2(0, 0), glm::vec3(0, -1, 0)),
+
+			Vertex(glm::vec3(-1, 1, -1), glm::vec2(0, 1), glm::vec3(0, 1, 0)),
+			Vertex(glm::vec3(-1, 1, 1), glm::vec2(1, 1), glm::vec3(0, 1, 0)),
+			Vertex(glm::vec3(1, 1, 1), glm::vec2(1, 0), glm::vec3(0, 1, 0)),
+			Vertex(glm::vec3(1, 1, -1), glm::vec2(0, 0), glm::vec3(0, 1, 0)),
+
+			Vertex(glm::vec3(-1, -1, -1), glm::vec2(1, 1), glm::vec3(-1, 0, 0)),
+			Vertex(glm::vec3(-1, -1, 1), glm::vec2(1, 0), glm::vec3(-1, 0, 0)),
+			Vertex(glm::vec3(-1, 1, 1), glm::vec2(0, 0), glm::vec3(-1, 0, 0)),
+			Vertex(glm::vec3(-1, 1, -1), glm::vec2(0, 1), glm::vec3(-1, 0, 0)),
+
+			Vertex(glm::vec3(1, -1, -1), glm::vec2(1, 1), glm::vec3(1, 0, 0)),
+			Vertex(glm::vec3(1, -1, 1), glm::vec2(1, 0), glm::vec3(1, 0, 0)),
+			Vertex(glm::vec3(1, 1, 1), glm::vec2(0, 0), glm::vec3(1, 0, 0)),
+			Vertex(glm::vec3(1, 1, -1), glm::vec2(0, 1), glm::vec3(1, 0, 0)),
+	};
+
+	unsigned int indices[] = {0, 1, 2, 0, 2, 3,
+
+			6, 5, 4, 7, 6, 4,
+
+			10, 9, 8, 11, 10, 8,
+
+			12, 13, 14, 12, 14, 15,
+
+			16, 17, 18, 16, 18, 19,
+
+			22, 21, 20, 23, 22, 20};
+
+	Mesh mesh(vertices, sizeof(vertices) / sizeof(vertices[0]), indices, sizeof(indices) / sizeof(indices[0]));
+	Mesh monkey("./res/monkey3.obj");
+	Shader shader("./res/basicShader");
+	Texture texture("./res/bricks.jpg");
+	Transform transform;
+	Camera camera(glm::vec3(0.0f, 0.0f, -5.0f), 70.0f, (float)DISPLAY_WIDTH / (float)DISPLAY_HEIGHT, 0.1f, 100.0f);
+
+	SDL_Event e;
+	bool isRunning = true;
+	float counter = 0.0f;
+	while (isRunning) {
+		while (SDL_PollEvent(&e)) {
+			if (e.type == SDL_QUIT)
+				isRunning = false;
+		}
+
+		display.Clear(0.0f, 0.0f, 0.0f, 1.0f);
+
+		float sinCounter = sinf(counter);
+		float absSinCounter = abs(sinCounter);
+
+		// transform.GetPos()->x = sinCounter;
+		transform.GetRot()->y = counter * 100;
+		// transform.GetRot()->z = counter * 100;
+		// transform.GetScale()->x = absSinCounter;
+		// transform.GetScale()->y = absSinCounter;
+
+		shader.Bind();
+		texture.Bind();
+		shader.Update(transform, camera);
+		monkey.Draw();
+		// mesh.Draw();
+
+		display.SwapBuffers();
+		SDL_Delay(1);
+		counter += 0.01f;
+	}
+
+	return 0;
+}
-- 
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