pyrite-dev/assaultfish
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what am i doing

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This commit is contained in:
Nishi 2026-01-11 01:36:32 +09:00
commit 4cce33c16b
Signed by: nishi
GPG key ID: 27EF69B208EB9343
9 changed files with 196 additions and 21 deletions
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24
engine/src/gl_camera.c
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@ -2,16 +2,16 @@
#include <GearBox/Math.h>
void GBGLPerspective(GBGL gl, double fovy, double znear, double zfar) {
GLint vp[4];
void GBGLPerspective(GBGL gl, double width, double height) {
double aspect;
double f;
GLdouble matrix[16];
int i;
double fovy = 60.0;
double znear = 0.01;
double zfar = 10.0;
glGetIntegerv(GL_VIEWPORT, vp);
aspect = (double)vp[2] / vp[3];
aspect = width / height;
f = GBMathCot(fovy / 180 * GBMathPi / 2);
for(i = 0; i < 16; i++) matrix[i] = 0;
@ -21,11 +21,14 @@ void GBGLPerspective(GBGL gl, double fovy, double znear, double zfar) {
matrix[4 * 3 + 2] = ((double)2 * zfar * znear) / (znear - zfar);
matrix[4 * 2 + 3] = -1;
glLoadIdentity();
glLoadMatrixd(matrix);
glMultMatrixd(matrix);
}
void GBGLSetCamera(GBGL gl) {
GBGLLookAt(gl, gl->engine->client->camera, gl->engine->client->look_at);
}
void GBGLLookAt(GBGL gl, GBVector3 camera, GBVector3 look_at) {
GLdouble matrix[16];
GBVector3 f;
GBVector3 up;
@ -33,7 +36,7 @@ void GBGLSetCamera(GBGL gl) {
GBVector3 u;
int i;
GBMathSubtract3(f, gl->engine->client->look_at, gl->engine->client->camera);
GBMathSubtract3(f, look_at, camera);
GBMathNormalize3(f);
up[0] = 0;
@ -58,7 +61,6 @@ void GBGLSetCamera(GBGL gl) {
matrix[4 * 2 + 2] = -f[2];
matrix[4 * 3 + 3] = 1;
glLoadIdentity();
glLoadMatrixd(matrix);
glTranslated(-gl->engine->client->camera[0], -gl->engine->client->camera[1], -gl->engine->client->camera[2]);
glMultMatrixd(matrix);
glTranslated(-camera[0], -camera[1], -camera[2]);
}