渲染SDK 0.1.2

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概述

本教程提供了Render SDK光照系数的使用教程，可通过该教程设置实体的环境光、漫反射光、镜面光系数。

前置条件

如果未初始化SDK，需要通过以下代码初始化

//创建sdk组件
auto mRenderComponent = AMCAXRender::CreateRenderComponent(this);
 
//创建实体Render
auto mRender = mRenderComponent->CreateBasicRender();

示例代码

以下代码展示了创建平面视图模块的使用方法

CMakeLists.txt

 cmake_minimum_required(VERSION 3.16)
project(MaterialSample)
 
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
 
add_definitions(-DUSE_AMCAX_KERNEL)
 
set(AMCAX_components AMCAXCommon AMCAXPart AMCAXStep AMCAXOCCTIO)
find_package(AMCAXCommon REQUIRED) 
find_package(AMCAXStep REQUIRED)
find_package(AMCAXPart REQUIRED) 
find_package(AMCAXOCCTIO REQUIRED) 
 
 
list(APPEND CMAKE_PREFIX_PATH ${AMCAXRender_PATH})
find_package(AMCAXRender )
 
find_package(Qt6 COMPONENTS Widgets Core Gui REQUIRED)
 
list(APPEND CMAKE_PREFIX_PATH ${Json_PATH})
find_package(nlohmann_json 3.11.3 REQUIRED)
 
file(GLOB ALL_UI_FILES *.ui)
file(GLOB ALL_FILES *.cpp *.h)
 
add_executable(${PROJECT_NAME} ${ALL_UI_FILES} ${ALL_FILES})
 
target_link_libraries(${PROJECT_NAME} PRIVATE ${AMCAX_components})
target_link_libraries(${PROJECT_NAME} PRIVATE Qt6::Core Qt6::Gui Qt6::Widgets)
target_link_libraries(${PROJECT_NAME} PRIVATE AMCAXRender::AMCAXRender)

main.cpp

#include <QApplication>
#include "Mainwindow.h"
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Mainwindow w;
    w.show();
    return a.exec();
}

Mainwindow.h

 #pragma once
 
#include <QWidget>
#include "ui_Mainwindow.h"
#include <AMCAXRender.h>
class Mainwindow : public QWidget
{
    Q_OBJECT
 
public:
    Mainwindow(QWidget *parent = nullptr);
    ~Mainwindow();
 
private:
    Ui::MainwindowClass ui;
    std::shared_ptr<AMCAXRender::Material> material;
    void onColorButtonClicked();
    void onAmbientSliderChanged(int value);
    void onDiffuseSliderChanged(int value);
    void onSpecularSliderChanged(int value);
    void onSpecularPowerSliderChanged(int value);
 
    void handleOpenFile();
    std::vector<AMCAXRender::EntityId> entityIds;
    std::shared_ptr<AMCAXRender::IRenderComponent> mRenderComponent;
    std::shared_ptr<AMCAXRender::CBasicRender> mRender;
};

Mainwindow.cpp

 #include "Mainwindow.h"
#include <modeling/MakeBox.hpp>
#include <modeling/MakeCylinder.hpp>
#include <QColorDialog>
 
Mainwindow::Mainwindow(QWidget *parent)
    : QWidget(parent)
{
    ui.setupUi(this);
 
    //初始化
    mRenderComponent = AMCAXRender::CreateRenderComponent(this);
    mRender = mRenderComponent->CreateBasicRender();
 
    //窗口布局
    ui.gridLayout_2->setColumnStretch(0, 1);
    ui.gridLayout_2->setColumnMinimumWidth(1,200);
    ui.gridLayout->addWidget(mRender->widget);
 
    material = mRender->materialManager->CreateMaterial();
    connect(ui.colorButton, &QPushButton::clicked, this, &Mainwindow::onColorButtonClicked);
    connect(ui.importButton, &QPushButton::clicked, this, &Mainwindow::handleOpenFile);
    connect(ui.ambientSlider, &QSlider::valueChanged, this, &Mainwindow::onAmbientSliderChanged);
    connect(ui.diffuseSlider, &QSlider::valueChanged, this, &Mainwindow::onDiffuseSliderChanged);
    connect(ui.specularSlider, &QSlider::valueChanged, this, &Mainwindow::onSpecularSliderChanged);
    connect(ui.specularPowerSlider, &QSlider::valueChanged, this, &Mainwindow::onSpecularPowerSliderChanged);
}
 
Mainwindow::~Mainwindow()
{
 
}
 
void Mainwindow::onColorButtonClicked() 
{
    QColor color = QColorDialog::getColor();
    if (color.isValid()) {
        for (auto& id : entityIds)
        {
            double c[3] = { color.redF(), color.greenF(), color.blueF() };
            mRender->entityManage->SetEntityColor(id, c);
        }
    }
    mRender->styleManage->SetRenderMode(AMCAXRender::RenderMode::Shaded);
    mRender->entityManage->DoRepaint();
}
 
 
 
void Mainwindow::handleOpenFile()
{
    auto shape = AMCAX::MakeCylinder(5,15).Shape();
    auto entity = mRender->entityFactory->FromShape(shape);
    mRender->entityManage->AddEntity(entity);
 
    entityIds.push_back(entity->GetEntityId());
 
    mRender->cameraManage->ResetCamera();
    mRender->entityManage->DoRepaint();
}
 
 
void Mainwindow::onAmbientSliderChanged(int value) 
{
    QSlider* slider =  ui.ambientSlider;
    double mappedValue = static_cast<double>(value - slider->minimum()) /
        (slider->maximum() - slider->minimum());
    
    material->SetAmbient(mappedValue);
    for (auto& id : entityIds)
    {
        mRender->entityManage->SetMaterial(id, material);
    }
    mRender->entityManage->DoRepaint();
}
 
 
void Mainwindow::onDiffuseSliderChanged(int value)
{
    QSlider* slider = ui.diffuseSlider;
    double mappedValue = static_cast<double>(value - slider->minimum()) /
        (slider->maximum() - slider->minimum());
 
    material->SetDiffuse(mappedValue);
    for (auto& id : entityIds)
    {
        mRender->entityManage->SetMaterial(id, material);
    }
 
    mRender->entityManage->DoRepaint();
}
 
void Mainwindow::onSpecularSliderChanged(int value)
{
    QSlider* slider = ui.specularSlider;
    double mappedValue = static_cast<double>(value - slider->minimum()) /
        (slider->maximum() - slider->minimum());
 
    material->SetSpecular(mappedValue);
    for (auto& id : entityIds)
    {
        mRender->entityManage->SetMaterial(id, material);
    }
    mRender->entityManage->DoRepaint();
}
 
 
void Mainwindow::onSpecularPowerSliderChanged(int value)
{
    QSlider* slider = ui.specularPowerSlider;
    double mappedValue = static_cast<double>(value - slider->minimum()) /
        (slider->maximum() - slider->minimum());
 
    material->SetSpecularPower(mappedValue*128);
    for (auto& id : entityIds)
    {
        mRender->entityManage->SetMaterial(id, material);
    }
    mRender->entityManage->DoRepaint();
}

Mainwindow.ui

 <?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainwindowClass</class>
 <widget class="QWidget" name="MainwindowClass">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>600</width>
    <height>400</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Mainwindow</string>
  </property>
  <layout class="QGridLayout" name="gridLayout_2">
   <item row="0" column="1">
    <layout class="QVBoxLayout" name="controlsLayout">
     <property name="spacing">
      <number>6</number>
     </property>
     <item>
      <widget class="QPushButton" name="importButton">
       <property name="text">
        <string>Create Entity</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QPushButton" name="colorButton">
       <property name="text">
        <string>Select Color</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QLabel" name="ambientLabel">
       <property name="text">
        <string>Ambient</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QSlider" name="ambientSlider">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QLabel" name="diffuseLabel">
       <property name="text">
        <string>Diffuse</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QSlider" name="diffuseSlider">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QLabel" name="specularLabel">
       <property name="text">
        <string>Specular</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QSlider" name="specularSlider">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QLabel" name="specularPowerLabel">
       <property name="text">
        <string>SpecularPower</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QSlider" name="specularPowerSlider">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
     <item>
      <spacer name="verticalSpacer">
       <property name="orientation">
        <enum>Qt::Vertical</enum>
       </property>
       <property name="sizeHint" stdset="0">
        <size>
         <width>20</width>
         <height>40</height>
        </size>
       </property>
      </spacer>
     </item>
    </layout>
   </item>
   <item row="0" column="0">
    <layout class="QGridLayout" name="gridLayout"/>
   </item>
  </layout>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>

ADS示例预览

更多

更多设置请参考 IRenderComponent.h

教程
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生成于 2025年五月 30日星期五 15:49:25 , 为渲染SDK使用 1.13.0