当前位置: 首页>>代码示例>>C++>>正文


C++ Transformation::getNormalMatrix方法代码示例

本文整理汇总了C++中Transformation::getNormalMatrix方法的典型用法代码示例。如果您正苦于以下问题:C++ Transformation::getNormalMatrix方法的具体用法?C++ Transformation::getNormalMatrix怎么用?C++ Transformation::getNormalMatrix使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Transformation的用法示例。


在下文中一共展示了Transformation::getNormalMatrix方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

int main() {
	Graphics::Window window("title", Vector2<int>(1800, 960));

	FileSystem fs;
   
	this_thread::sleep_for(std::chrono::seconds(1));
 	auto cube = MeshLoader::loadOBJ(&fs.getFile("scene/monkey.obj"));
  
	Transformation camera;
	Projection projection(0.01f, 1000.0f, 45, window.getAspect());
	Transformation model;
	Transformation light_t;
	   
	camera.setPosition({0 , 0 , .7f});

	GLenum err;
	// TEST 
	// cbuffer is deleted after being passed as rvalue
	auto tex = TextureLoader::loadTexture(fs.getFile("textures/box.bmp"));

	if (tex == nullptr || cube == nullptr) {
		return 1;
	}

	GLuint vbo = 0; 
	GLuint sampler = 0; 

	cube->bind(); 

	Shader vert(fs.getFile("shaders/shader.vert"), GL_VERTEX_SHADER);
	Shader frag(fs.getFile("shaders/shader.frag"), GL_FRAGMENT_SHADER);
	if ((err = glGetError()) != GL_NO_ERROR)
		return err;
	Program program;
	program.attachShader(vert);
	program.attachShader(frag);
	program.link();
	program.use();

	VertexArray vao;
	vao.bind(); 

	vao.setVertexAttribute(program, "in_normal", cube->getObjects().at(0).normalSize(), GL_FLOAT, GL_FALSE, cube->getObjects().at(0).stride(), cube->getObjects().at(0).normalOffset());
	vao.setVertexAttribute(program, "position", cube->getObjects().at(0).vertexSize(), GL_FLOAT, GL_FALSE, cube->getObjects().at(0).stride(), cube->getObjects().at(0).vertexOffset());
	vao.setVertexAttribute(program, "in_tex", cube->getObjects().at(0).texCoordSize(), GL_FLOAT, GL_FALSE, cube->getObjects().at(0).stride(), cube->getObjects().at(0).texCoordOffset());

	vao.unbind(); 

	program.setUniform("world_pos", Vector3<float>(.5, 0, 0));

	glActiveTexture(GL_TEXTURE0);
	tex->bind();
	  
	LightPoint point;
	point.position = { 2, 0, 0 };
	point.color = { 1, 1, 1 };
	point.intensity = 0.4f;
	point.attenuation = 10;

	light_t.setPosition(Vector3<float>(2, 1, 0));

	Lighting lights;

	LightPoint& light = lights.attachLight(point);

	lights.setAmbient(Vector3<float>(1.0f, 1.0f, 1.0f));

	float pos = 0;
	Vector3<float> rotation(0);

	while (false) {
		window.startFrame(); 
		vao.bind();
		//camera.rotate({ 0, 0, 0.01f }); 

		//window.getMouse().getMousePosition<float>(&light.position.x, &light.position.y); 
		light_t.setPosition(light.position);  
		model.setScale({ 0.1f, 0.1f, 0.1f });
		model.setPosition({ 0, -0.5f, 0 });
		std::this_thread::sleep_for(std::chrono::milliseconds(16));
		program.setUniform("model", model.getMatrix());
		program.setUniform("view", camera.getMatrix()); 
		program.setUniform("projection", projection.getPerspective());
		lights.bindLights(program);
		program.setUniform("normal_matrix", model.getNormalMatrix());
		cube->bind();
		 

		for (const auto& obj : cube->getObjects()){
			program.setUniform("has_normal", obj.hasNormals());
			program.setUniform("has_tex_coord", obj.hasTexCoord());
			glDrawElements(obj.getMode(), obj.size, GL_UNSIGNED_INT, obj.p_start); 
		}

		vao.unbind();

		if (window.getKeyboard().isKeyDown(KEY::KEY_W) != KEY_PRESSED::RELEASED)
			rotation.x += 0.1f;
		if (window.getKeyboard().isKeyDown(KEY::KEY_D) != KEY_PRESSED::RELEASED)
			rotation.y += 0.1f;
//.........这里部分代码省略.........
开发者ID:wackoisgod,项目名称:Protheus,代码行数:101,代码来源:LearnOGL.cpp


注:本文中的Transformation::getNormalMatrix方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。