private unsafe void InitVertexBuffers()
{
{
VR01PositionBuffer positionBuffer = new VR01PositionBuffer(strin_Position);
positionBuffer.Alloc(zFrameCount);
QuadPosition *array = (QuadPosition *)positionBuffer.FirstElement();
for (int i = 0; i < zFrameCount; i++)
{
array[i] = new QuadPosition(
new vec3(-xLength, -yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(xLength, -yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(xLength, yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(-xLength, yLength, (float)i / (float)zFrameCount - 0.5f)
);
}
this.positionBufferRenderer = positionBuffer.GetRenderer();
positionBuffer.Dispose();
}
{
VR01UVBuffer uvBuffer = new VR01UVBuffer(strin_uv);
uvBuffer.Alloc(zFrameCount);
QuadUV *array = (QuadUV *)uvBuffer.FirstElement();
for (int i = 0; i < zFrameCount; i++)
{
array[i] = new QuadUV(
new vec3(0, 0, (float)i / (float)zFrameCount),
new vec3(1, 0, (float)i / (float)zFrameCount),
new vec3(1, 1, (float)i / (float)zFrameCount),
new vec3(0, 1, (float)i / (float)zFrameCount)
);
}
this.uvBufferRenderer = uvBuffer.GetRenderer();
uvBuffer.Dispose();
}
{
var indexBuffer = new ZeroIndexBuffer(DrawMode.Quads, 0, zFrameCount * 4);
indexBuffer.Alloc(zFrameCount);// this actually does nothing.
this.indexBufferRenderer = indexBuffer.GetRenderer() as IndexBufferPointerBase;
indexBuffer.Dispose();
}
this.vao = new VertexArrayObject(
this.indexBufferRenderer,
this.positionBufferRenderer, this.uvBufferRenderer);
}
private unsafe void InitVertexBuffers()
{
{
VR04PositionBuffer positionBuffer = new VR04PositionBuffer(strin_Position);
positionBuffer.Alloc(zFrameCount);
QuadPosition *array = (QuadPosition *)positionBuffer.FirstElement();
for (int i = 0; i < zFrameCount; i++)
{
array[i] = new QuadPosition(
new vec3(-xLength, -yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(xLength, -yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(xLength, yLength, (float)i / (float)zFrameCount - 0.5f),
new vec3(-xLength, yLength, (float)i / (float)zFrameCount - 0.5f)
);
}
this.positionBufferRenderer = positionBuffer.GetRenderer();
positionBuffer.Dispose();
}
{
VR04UVBuffer uvBuffer = new VR04UVBuffer(strin_uv);
uvBuffer.Alloc(zFrameCount);
QuadUV *array = (QuadUV *)uvBuffer.FirstElement();
for (int i = 0; i < zFrameCount; i++)
{
array[i] = new QuadUV(
new vec3(0, 0, (float)i / (float)zFrameCount),
new vec3(1, 0, (float)i / (float)zFrameCount),
new vec3(1, 1, (float)i / (float)zFrameCount),
new vec3(0, 1, (float)i / (float)zFrameCount)
);
}
this.uvBufferRenderer = uvBuffer.GetRenderer();
uvBuffer.Dispose();
}
{
var indexBuffer = new VR04IndexBuffer();
indexBuffer.Alloc(zFrameCount);
QuadIndex *array = (QuadIndex *)indexBuffer.FirstElement();
for (uint i = 0; i < zFrameCount; i++)
{
if (this.reverSide)
{
array[i] = new QuadIndex((zFrameCount - i - 1) * 4 + 0,
(zFrameCount - i - 1) * 4 + 1,
(zFrameCount - i - 1) * 4 + 2,
(zFrameCount - i - 1) * 4 + 3
);
}
else
{
array[i] = new QuadIndex(i * 4 + 0, i * 4 + 1, i * 4 + 2, i * 4 + 3);
}
}
this.indexBufferRenderer = indexBuffer.GetRenderer();
indexBuffer.Dispose();
}
//if (!this.reverSide)
//{
// var indexBuffer = new ZeroIndexBuffer(DrawMode.Quads, zFrameCount * 4);
// indexBuffer.Alloc(zFrameCount);// this actually does nothing.
// this.indexBufferRenderer = indexBuffer.GetRenderer();
// indexBuffer.Dispose();
//}
//else
//{
// var indexBuffer = new VR04IndexBuffer();
// indexBuffer.Alloc(zFrameCount);
// QuadIndex* array = (QuadIndex*)indexBuffer.FirstElement();
// for (uint i = 0; i < zFrameCount; i++)
// {
// //array[i] = new QuadIndex(i * 4 + 0, i * 4 + 1, i * 4 + 2, i * 4 + 3);
// array[i] = new QuadIndex((zFrameCount - i - 1) * 4 + 0,
// (zFrameCount - i - 1) * 4 + 1,
// (zFrameCount - i - 1) * 4 + 2,
// (zFrameCount - i - 1) * 4 + 3
// );
// }
// this.indexBufferRenderer = indexBuffer.GetRenderer();
// indexBuffer.Dispose();
//}
this.vao = new VertexArrayObject(this.positionBufferRenderer, this.uvBufferRenderer, this.indexBufferRenderer);
}