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use float instead of double

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This commit is contained in:
Nishi 2026-01-11 23:10:13 +09:00
commit e81666e657
Signed by: nishi
GPG key ID: 27EF69B208EB9343
10 changed files with 114 additions and 115 deletions
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14
engine/src/math.c
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@ -7,15 +7,15 @@ void GBMathCross3(GBVector3 r, GBVector3 v0, GBVector3 v1) {
}
void GBMathNormalize3(GBVector3 vec) {
double l = 0;
int i;
GBNumber l = 0;
int i;
for(i = 0; i < 3; i++) l += vec[i] * vec[i];
l = sqrt(l);
if(l > 0) {
l = (double)1 / l;
l = (GBNumber)1 / l;
} else {
l = 0;
}
@ -69,13 +69,13 @@ void GBMathNormal3x4(GBVector3 r, GBVector3 v0, GBVector3 v1, GBVector3 v2, GBVe
GBMathNormalize3(r);
}
double GBMathCot(double x) {
return (double)1 / tan(x);
GBNumber GBMathCot(GBNumber x) {
return (GBNumber)1 / tan(x);
}
void GBMathInvert4x4(GBMatrix4x4 out, GBMatrix4x4 in) {
double inv[16], det;
int i;
GBNumber inv[16], det;
int i;
inv[0] = in[5] * in[10] * in[15] - in[5] * in[11] * in[14] - in[9] * in[6] * in[15] + in[9] * in[7] * in[14] + in[13] * in[6] * in[11] - in[13] * in[7] * in[10];
inv[4] = -in[4] * in[10] * in[15] + in[4] * in[11] * in[14] + in[8] * in[6] * in[15] - in[8] * in[7] * in[14] - in[12] * in[6] * in[11] + in[12] * in[7] * in[10];