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Added Perlin noise code for testing RLE.

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This commit is contained in:
David Williams
2011-02-05 16:43:58 +00:00
parent 96cdf7b9a5
commit 5770d2bf04
2 changed files with 368 additions and 11 deletions
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8
examples/Basic/OpenGLWidget.cpp
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@ -70,9 +70,9 @@ void OpenGLWidget::resizeGL(int w, int h)
//Set up the projection matrix
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
float frustumSize = 32.0f; //Half the volume size
float frustumSize = 128.0f * 1.7f; //Half the volume diagonal
float aspect = static_cast<float>(width()) / static_cast<float>(height());
glOrtho(frustumSize*aspect, -frustumSize*aspect, frustumSize, -frustumSize, 1.0, 1000);
glOrtho(frustumSize*aspect, -frustumSize*aspect, frustumSize, -frustumSize, 10.0, 10000);
}
void OpenGLWidget::paintGL()
@ -83,10 +83,10 @@ void OpenGLWidget::paintGL()
//Set up the viewing transformation
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0f,0.0f,-100.0f); //Centre volume and move back
glTranslatef(0.0f,0.0f,-5000.0f); //Centre volume and move back
glRotatef(m_xRotation, 1.0f, 0.0f, 0.0f);
glRotatef(m_yRotation, 0.0f, 1.0f, 0.0f);
glTranslatef(-32.0f,-32.0f,-32.0f); //Centre volume and move back
glTranslatef(-128.0f,-128.0f,-128.0f); //Centre volume and move back
//Bind the index buffer
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);