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This commit is contained in:
Nishi 2026-01-12 01:54:35 +09:00
commit 2d6ed53abc
Signed by: nishi
GPG key ID: 27EF69B208EB9343
56 changed files with 746 additions and 746 deletions
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46
engine/src/math.c
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@ -1,13 +1,13 @@
#include <GearBox/Math.h>
#include <GearSrc/Math.h>
void GBMathCross3(GBVector3 r, GBVector3 v0, GBVector3 v1) {
void GSMathCross3(GSVector3 r, GSVector3 v0, GSVector3 v1) {
r[0] = v0[1] * v1[2] - v0[2] * v1[1];
r[1] = v0[2] * v1[0] - v0[0] * v1[2];
r[2] = v0[0] * v1[1] - v0[1] * v1[0];
}
void GBMathNormalize3(GBVector3 vec) {
GBNumber l = 0;
void GSMathNormalize3(GSVector3 vec) {
GSNumber l = 0;
int i;
for(i = 0; i < 3; i++) l += vec[i] * vec[i];
@ -15,7 +15,7 @@ void GBMathNormalize3(GBVector3 vec) {
l = sqrt(l);
if(l > 0) {
l = (GBNumber)1 / l;
l = (GSNumber)1 / l;
} else {
l = 0;
}
@ -25,13 +25,13 @@ void GBMathNormalize3(GBVector3 vec) {
vec[2] *= l;
}
void GBMathSubtract3(GBVector3 r, GBVector3 v0, GBVector3 v1) {
void GSMathSubtract3(GSVector3 r, GSVector3 v0, GSVector3 v1) {
int i;
for(i = 0; i < 3; i++) r[i] = v0[i] - v1[i];
}
void GBMathAdd3(GBVector3 r, GBVector3 v0, GBVector3 v1) {
void GSMathAdd3(GSVector3 r, GSVector3 v0, GSVector3 v1) {
int i;
for(i = 0; i < 3; i++) r[i] = v0[i] + v1[i];
@ -42,15 +42,15 @@ void GBMathAdd3(GBVector3 r, GBVector3 v0, GBVector3 v1) {
* | /
* v1/
*/
void GBMathNormal3x3(GBVector3 r, GBVector3 v0, GBVector3 v1, GBVector3 v2) {
GBVector3 t0, t1;
void GSMathNormal3x3(GSVector3 r, GSVector3 v0, GSVector3 v1, GSVector3 v2) {
GSVector3 t0, t1;
GBMathSubtract3(t0, v1, v0);
GBMathSubtract3(t1, v2, v0);
GSMathSubtract3(t0, v1, v0);
GSMathSubtract3(t1, v2, v0);
GBMathCross3(r, t0, t1);
GSMathCross3(r, t0, t1);
GBMathNormalize3(r);
GSMathNormalize3(r);
}
/*
@ -58,23 +58,23 @@ void GBMathNormal3x3(GBVector3 r, GBVector3 v0, GBVector3 v1, GBVector3 v2) {
* | |
* v1-v2
*/
void GBMathNormal3x4(GBVector3 r, GBVector3 v0, GBVector3 v1, GBVector3 v2, GBVector3 v3) {
GBVector3 t0, t1;
void GSMathNormal3x4(GSVector3 r, GSVector3 v0, GSVector3 v1, GSVector3 v2, GSVector3 v3) {
GSVector3 t0, t1;
GBMathNormal3x3(t0, v0, v1, v3);
GBMathNormal3x3(t1, v1, v2, v3);
GSMathNormal3x3(t0, v0, v1, v3);
GSMathNormal3x3(t1, v1, v2, v3);
GBMathAdd3(r, t0, t1);
GSMathAdd3(r, t0, t1);
GBMathNormalize3(r);
GSMathNormalize3(r);
}
GBNumber GBMathCot(GBNumber x) {
return (GBNumber)1 / tan(x);
GSNumber GSMathCot(GSNumber x) {
return (GSNumber)1 / tan(x);
}
void GBMathInvert4x4(GBMatrix4x4 out, GBMatrix4x4 in) {
GBNumber inv[16], det;
void GSMathInvert4x4(GSMatrix4x4 out, GSMatrix4x4 in) {
GSNumber 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];