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-rw-r--r--xform.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/xform.c b/xform.c
index aba2089..b6e4397 100644
--- a/xform.c
+++ b/xform.c
@@ -145,13 +145,12 @@ perspective(Matrix3 m, double fovy, double a, double n, double f)
double cotan;
cotan = 1/tan(fovy/2);
- identity3(m);
+ memset(m, 0, 4*4*sizeof(double));
m[0][0] = cotan/a;
m[1][1] = cotan;
m[2][2] = (f+n)/(f-n);
m[2][3] = 2*f*n/(f-n);
m[3][2] = -1;
- m[3][3] = 0;
}
void