yyc12345/stb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

various cleanup; vheight works (only one path tested)

Browse Source
This commit is contained in:
Sean Barrett
2015-02-22 17:42:46 -08:00
parent 1d18b23ea1
commit f9c24c20fc
5 changed files with 167 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
tests/caveview/cave_render.c
View File

@ -1,5 +1,6 @@
// This file takes renders vertex buffers and manages
// threads that invoke mesh building (found in cave_mesher.c)
// This file renders vertex buffers, converts raw meshes
// to GL meshes, and manages threads that do the raw-mesh
// building (found in cave_mesher.c)
#include "stb_voxel_render.h"
@ -14,11 +15,14 @@
#include "sdl.h"
#include "sdl_thread.h"
#include <math.h>
#include <assert.h>
// currently no dynamic way to set mesh cache size or view distance
//#define SHORTVIEW
// renderer maintains GL meshes, draws them
stbvox_mesh_maker g_mesh_maker;
GLuint main_prog;
@ -182,7 +186,7 @@ GLint tablei[2];
void setup_uniforms(float pos[3])
{
int i,j;
for (i=0; i < STBVOX_UNIFORM__count; ++i) {
for (i=0; i < STBVOX_UNIFORM_count; ++i) {
stbvox_uniform_info *ui = stbvox_get_uniform_info(&g_mesh_maker, i);
uniform_loc[i] = -1;
@ -663,6 +667,7 @@ static void matd_mul(double out[4][4], double src1[4][4], double src2[4][4])
}
}
// https://fgiesen.wordpress.com/2012/08/31/frustum-planes-from-the-projection-matrix/
static void compute_frustum(void)
{
int i;
@ -684,6 +689,7 @@ static int test_plane(plane *p, float x0, float y0, float z0, float x1, float y1
{
// return false if the box is entirely behind the plane
float d=0;
assert(x0 <= x1 && y0 <= y1 && z0 <= z1);
if (p->x > 0) d += x1*p->x; else d += x0*p->x;
if (p->y > 0) d += y1*p->y; else d += y0*p->y;
if (p->z > 0) d += z1*p->z; else d += z0*p->z;