charcoal/OpenGLEngine/MyObjectOrientedScene.cpp

#include "MyObjectOrientedScene.h"

#include "DrawMode.h"
#include "MeshFactory.h"

MyObjectOrientedScene::MyObjectOrientedScene()
	: m_shape(MeshFactory<MyBatchTestShaderProgram::Vertex, MyBatchTestShaderProgram::Index>::gen(
		DrawMode::DRAW_TRIANGLES,
		MyBatchTestShaderProgram::Vertex(-0.1f, 0.1f, 0.0f),
		MyBatchTestShaderProgram::Vertex(0.1f, 0.1f, 0.0f),
		MyBatchTestShaderProgram::Vertex(-0.15f, -0.1f, 0.0f),
		MyBatchTestShaderProgram::Vertex(0.15f, -0.1f, 0.0f)
	), DrawMode::DRAW_TRIANGLES), m_batch(&m_shape, 1, 1)
{
}

MyObjectOrientedScene::~MyObjectOrientedScene()
{
}

void MyObjectOrientedScene::init()
{
	m_batch.init();
}

void MyObjectOrientedScene::use()
{
	glEnable(GL_DEPTH_TEST);
	glDepthFunc(GL_LESS);
}

void MyObjectOrientedScene::unuse()
{

}

void MyObjectOrientedScene::update(float delta_time, clock_t clock)
{
	float n;
	clock_t c;
	c = (clock / 10) % 512;
	if (c < 256)
	{
		n = (float)c / 256;
	}
	else
	{
		n = (float)(512 - c) / 256;
	}

	// TODO: Movement Test

	MyBatchTestShaderProgram::Color& color = m_batch.get_color(0);
	color.r = n;
	color.g = n;
	color.b = n;
	color.a = 1.0f;

	// TODO: Make a prerender function or move this to render
	m_batch.prerender();
}

void MyObjectOrientedScene::render()
{
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	m_shader_program.use();
	m_batch.render();
}