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git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@1010 e016b1c5-ed68-44aa-a2f7-31cac88cffde
This commit is contained in:
Lee Salzman
2007-05-19 02:56:00 +00:00
parent 1a6864d4f4
commit 25c332c6f7
1 changed files with 14 additions and 16 deletions
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source/src/renderparticles.cpp
+14 -16
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@@ -6,31 +6,31 @@ static GLushort *hemiindices = NULL;
static vec *hemiverts = NULL;
static int heminumverts = 0, heminumindices = 0;
static void subdivide(int &nIndices, int &nVerts, int depth, int face);
static void subdivide(int depth, int face);
static void genface(int &nIndices, int &nVerts, int depth, int i1, int i2, int i3)
{
int face = nIndices; nIndices += 3;
static void genface(int depth, int i1, int i2, int i3)
{
int face = heminumindices; heminumindices += 3;
hemiindices[face] = i1;
hemiindices[face+1] = i2;
hemiindices[face+2] = i3;
subdivide(nIndices, nVerts, depth, face);
}
static void subdivide(int &nIndices, int &nVerts, int depth, int face)
subdivide(depth, face);
}
static void subdivide(int depth, int face)
{
if(depth-- <= 0) return;
int idx[6];
loopi(3) idx[i] = hemiindices[face+i];
loopi(3)
loopi(3)
{
int vert = nVerts++;
int vert = heminumverts++;
hemiverts[vert] = vec(hemiverts[idx[i]]).add(hemiverts[idx[(i+1)%3]]).normalize(); //push on to unit sphere
idx[3+i] = vert;
hemiindices[face+i] = vert;
}
subdivide(nIndices, nVerts, depth, face);
loopi(3) genface(nIndices, nVerts, depth, idx[i], idx[3+i], idx[3+(i+2)%3]);
subdivide(depth, face);
loopi(3) genface(depth, idx[i], idx[3+i], idx[3+(i+2)%3]);
}
//subdiv version wobble much more nicely than a lat/longitude version
@@ -48,7 +48,7 @@ static void inithemisphere(int hres, int depth)
float a = PI2*float(i)/hres;
hemiverts[heminumverts++] = vec(cosf(a), sinf(a), 0.0f);
}
loopi(hres) genface(heminumindices, heminumverts, depth, 0, i+1, 1+(i+1)%hres);
loopi(hres) genface(depth, 0, i+1, 1+(i+1)%hres);
}
GLuint createexpmodtex(int size, float minval)
@@ -82,9 +82,7 @@ VARP(mtexplosion, 0, 1, 1);
void setupexplosion()
{
const int hres = 5;
const int depth = 2;
if(!hemiindices) inithemisphere(hres, depth);
if(!hemiindices) inithemisphere(5, 2);
static int lastexpmillis = 0;
if(lastexpmillis != lastmillis || !expverts)