ilikecats/stk-code_catmod
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Add back twisting trick every other circle (with fixed UV). Raise polycount.

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git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5398 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
mbjornstk 2010-05-07 00:22:23 +00:00
parent 0b12fb45ae
commit 92ae1673ab
1 changed files with 6 additions and 5 deletions
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11
src/graphics/slip_stream.cpp
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@ -105,9 +105,9 @@ void SlipStream::createMesh(const video::SMaterial &material)
// The number of points for each circle. Since part of the slip stream
// might be under the ground (esp. first and last segment), specify
// which one is the first and last to be actually drawn.
const unsigned int num_segments = 7;
const unsigned int num_segments = 15;
const unsigned int first_segment = 0;
const unsigned int last_segment = 6;
const unsigned int last_segment = 14;
const float f = 2*M_PI/float(num_segments);
scene::SMeshBuffer *buffer = new scene::SMeshBuffer();
buffer->Material = material;
@ -120,12 +120,13 @@ void SlipStream::createMesh(const video::SMaterial &material)
video::S3DVertex v;
// Offset every 2nd circle by one half segment to increase
// the number of planes so it looks better.
v.Pos.X = sin(i*f)*radius[j];
v.Pos.Y = -cos(i*f)*radius[j];
v.Pos.X = sin((i+(j%2)*0.5f)*f)*radius[j];
v.Pos.Y = -cos((i+(j%2)*0.5f)*f)*radius[j];
v.Pos.Z = distance[j];
v.Color = video::SColor(alphas[j], alphas[j], alphas[j], alphas[j]);
v.TCoords.X = curr_distance/m_length;
v.TCoords.Y = (float)(i-first_segment)/(last_segment-first_segment);
v.TCoords.Y = (float)(i-first_segment)/(last_segment-first_segment)
+ (j%2)*(.5f/num_segments);
buffer->Vertices.push_back(v);
} // for i<num_segments
} // while radius[num_circles]!=0