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Particles (including clouds) vectorized a bit more.

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This commit is contained in:
Shyotl
2011-10-21 14:50:55 -05:00
parent e2d9c31f5e
commit 474e1ec7cc
3 changed files with 101 additions and 57 deletions
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62
indra/newview/llvoclouds.cpp
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@@ -213,12 +213,13 @@ void LLVOClouds::getGeometry(S32 te,
color.setVec(float_color);
facep->setFaceColor(float_color);
LLVector3 up;
LLVector3 right;
LLVector3 at;
LLVector4a puff_pos_agent;
puff_pos_agent.load3(facep->mCenterLocal.mV);
LLVector4a at;
at.load3(LLViewerCamera::getInstance()->getAtAxis().mV);
LLVector4a up(0, 0, 1);
LLVector4a right;
const LLVector3& puff_pos_agent = facep->mCenterLocal;
LLVector2 uvs[4];
uvs[0].setVec(0.f, 1.f);
@@ -226,34 +227,43 @@ void LLVOClouds::getGeometry(S32 te,
uvs[2].setVec(1.f, 1.f);
uvs[3].setVec(1.f, 0.f);
LLVector3 vtx[4];
at = LLViewerCamera::getInstance()->getAtAxis();
right = at % LLVector3(0.f, 0.f, 1.f);
right.normVec();
up = right % at;
up.normVec();
right *= 0.5f*CLOUD_PUFF_WIDTH;
up *= 0.5f*CLOUD_PUFF_HEIGHT;;
right.setCross3(at, up);
right.normalize3fast();
up.setCross3(right, at);
up.normalize3fast();
right.mul(0.5f*CLOUD_PUFF_WIDTH);
up.mul(0.5f*CLOUD_PUFF_HEIGHT);
*colorsp++ = color;
*colorsp++ = color;
*colorsp++ = color;
*colorsp++ = color;
vtx[0] = puff_pos_agent - right + up;
vtx[1] = puff_pos_agent - right - up;
vtx[2] = puff_pos_agent + right + up;
vtx[3] = puff_pos_agent + right - up;
LLVector4a ppapu;
LLVector4a ppamu;
ppapu.setAdd(puff_pos_agent, up);
ppamu.setSub(puff_pos_agent, up);
LLVector4a vtx[4];
vtx[0].setSub(ppapu, right);
vtx[1].setSub(ppamu, right);
vtx[2].setAdd(ppapu, right);
vtx[3].setAdd(ppamu, right);
*(verticesp->mV+3) = 0.f;
*verticesp++ = vtx[0];
*(verticesp->mV+3) = 0.f;
*verticesp++ = vtx[1];
*(verticesp->mV+3) = 0.f;
*verticesp++ = vtx[2];
*(verticesp->mV+3) = 0.f;
*verticesp++ = vtx[3];;
verticesp->set(vtx[0].getF32ptr());
*((verticesp++)->mV+3) = 0.f;
verticesp->set(vtx[1].getF32ptr());
*((verticesp++)->mV+3) = 0.f;
verticesp->set(vtx[2].getF32ptr());
*((verticesp++)->mV+3) = 0.f;
verticesp->set(vtx[3].getF32ptr());
*((verticesp++)->mV+3) = 0.f;
//*verticesp++ = puff_pos_agent - right + up;
//*verticesp++ = puff_pos_agent - right - up;
//*verticesp++ = puff_pos_agent + right + up;
//*verticesp++ = puff_pos_agent + right - up;
*texcoordsp++ = uvs[0];
*texcoordsp++ = uvs[1];