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correct normals for vheight floors

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This commit is contained in:
Sean Barrett
2015-03-14 15:02:51 -07:00
parent c10b3fefae
commit 00810b7d11
3 changed files with 473 additions and 116 deletions
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11
tests/caveview/cave_render.c
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@ -184,9 +184,12 @@ GLint uniform_loc[16];
float table3[128][3];
GLint tablei[2];
float step=0;
void setup_uniforms(float pos[3])
{
int i,j;
step += 1.0f/60.0f;
for (i=0; i < STBVOX_UNIFORM_count; ++i) {
stbvox_uniform_info *ui = stbvox_get_uniform_info(&g_mesh_maker, i);
uniform_loc[i] = -1;
@ -224,9 +227,11 @@ void setup_uniforms(float pos[3])
table3[0][0] = pos[0];
table3[0][1] = pos[1];
table3[0][2] = pos[2];
table3[0][3] = stb_max(0,(float)sin(step*2)*0.125f);
break;
case STBVOX_UNIFORM_ambient: {
float bright = 0.75;
float amb[3][3];
// ambient direction is sky-colored upwards
@ -245,8 +250,8 @@ void setup_uniforms(float pos[3])
// amb[1] + (amb[2] - amb[1]) * dot/2 + (amb[2]-amb[1])/2
for (j=0; j < 3; ++j) {
table3[1][j] = (amb[2][j] - amb[1][j])/2;
table3[2][j] = (amb[1][j] + amb[2][j])/2;
table3[1][j] = (amb[2][j] - amb[1][j])/2 * bright;
table3[2][j] = (amb[1][j] + amb[2][j])/2 * bright;
}
// fog color
@ -783,7 +788,7 @@ void render_caves(float campos[3])
{
float lighting[2][3] = { { campos[0],campos[1],campos[2] }, { 0.75,0.75,0.65f } };
float bright = 15;
float bright = 8;
lighting[1][0] *= bright;
lighting[1][1] *= bright;
lighting[1][2] *= bright;