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<?php |
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/** @formatter:off |
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* ****************************************************************** |
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* Created by Marko Kungla on Jun 25, 2016 - 7:51:42 PM |
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* Contact [email protected] |
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* @copyright 2016 Marko Kungla - https://github.com/mkungla |
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* @license The MIT License (MIT) |
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* |
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* @category AframeVR |
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* @package aframe-php |
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* |
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* Lang PHP (php version >= 7) |
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* Encoding UTF-8 |
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* File MaterialComponent.php |
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* Code format PSR-2 and 12 |
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* @link https://github.com/mkungla/aframe-php |
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^ @issues https://github.com/mkungla/aframe-php/issues |
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* ******************************************************************** |
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* Contributors: |
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* @author Marko Kungla <[email protected]> |
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* ******************************************************************** |
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* Comments: |
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* @formatter:on */ |
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namespace AframeVR\Core\Components\Material; |
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use \AframeVR\Interfaces\Core\Components\Material\MaterialInterface; |
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use \AframeVR\Core\Helpers\ComponentAbstract; |
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use \AframeVR\Core\Exceptions\BadShaderCallException; |
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use \AframeVR\Interfaces\ShaderInterface; |
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/** |
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* AframeVR\Core\Components\Material |
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* |
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* The material component defines the appearance of an entity. |
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* The built-in shaders allow us to define properties such as color, |
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* opacity, or textures. Custom shaders can be registered to extend |
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* the material component to allow for a wide range of visual effects. |
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* The geometry component can be defined alongside to provide a shape alongside |
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* the appearance to create a complete mesh. The material component is coupled to shaders. |
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* Some of the built-in shading models will provide properties like color or texture to the material component. |
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*/ |
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class MaterialComponent extends ComponentAbstract implements MaterialInterface |
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{ |
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private $shaderObj; |
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/** |
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* Initialize Component |
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* |
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* {@inheritdoc} |
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* |
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* @return bool |
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*/ |
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public function initializeComponent(): bool |
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{ |
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$this->setDomAttributeName('material'); |
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return true; |
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} |
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/** |
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* Return DOM attribute contents |
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* |
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* @return string |
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*/ |
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public function getDomAttributeString(): string |
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{ |
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$this->prepareShader(); |
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$material_attrs = $this->getDOMAttributesArray(); |
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$format = implode(': %s; ', array_keys($material_attrs)) . ': %s;'; |
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return vsprintf($format, array_values($material_attrs)); |
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} |
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/** |
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* Material Shader |
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* |
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* {@inheritdoc} |
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* |
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* @param string $shader |
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* @throws BadShaderCallException |
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* @return object|null |
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*/ |
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public function shader(string $shader = 'standard') |
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{ |
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$this->dom_attributes['shader'] = $shader; |
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if ($this->shaderObj instanceof ShaderInterface) |
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return $this->shaderObj; |
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$shader = sprintf('\AframeVR\Core\Shaders\%s', ucfirst($shader)); |
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if (class_exists($shader)) { |
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$this->shaderObj = new $shader(); |
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} else { |
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throw new BadShaderCallException($shader); |
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} |
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return $this->shaderObj ?? null; |
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} |
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/** |
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* Prepare Shader attributes |
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* |
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* @return void |
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*/ |
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private function prepareShader() |
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{ |
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if (! empty($this->shaderObj)) { |
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$this->shaderObj->removeDefaultDOMAttributes(); |
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foreach ($this->shaderObj as $key => $val) |
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$this->dom_attributes[$key] = $val; |
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} |
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} |
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} |
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mkungla /
aframe-php
