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修复重影，每次paintGL的同时glClear #8

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修复重影，每次paintGL的同时glClear #8

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2 changes: 2 additions & 0 deletions 05_opengl_triangle/openglwidget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ void OpenGLWidget::initializeGL()
initializeOpenGLFunctions();

glEnable(GL_DEPTH_TEST);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f); // 设置背景颜色

vao.create();
vbo.create();
Expand All @@ -34,6 +35,7 @@ void OpenGLWidget::resizeGL(int w, int h)

void OpenGLWidget::paintGL()
{
glClear(GL_COLOR_BUFFER_BIT); // 每帧都清空屏幕
qDebug() << "paintGL";
vao.bind();

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