st.vport[3] = h;
}
+void gaw_get_viewport(int *vp)
+{
+ memcpy(vp, st.vport, sizeof st.vport);
+}
+
void gaw_matrix_mode(int mode)
{
st.mmode = mode;
{
static float m[16];
- float angle = M_PI * deg / 180.0f;
+ float angle = CGM_PI * deg / 180.0f;
float sina = sin(angle);
float cosa = cos(angle);
float one_minus_cosa = 1.0f - cosa;
{
static float m[16];
- float vfov = M_PI * vfov_deg / 180.0f;
+ float vfov = CGM_PI * vfov_deg / 180.0f;
float s = 1.0f / tan(vfov * 0.5f);
float range = znear - zfar;
void gaw_zoffset(float offs)
{
- st.zoffs = offs;
+ st.zoffs = offs * 0.1;
}
#define CLAMP(x, a, b) ((x) < (a) ? (a) : ((x) > (b) ? (b) : (x)))
float oow = 1.0f / v[i].w;
v[i].x *= oow;
v[i].y *= oow;
- v[i].z += st.zoffs;
+ if(st.opt & (1 << GAW_POLYGON_OFFSET)) {
+ v[i].z += st.zoffs;
+ }
if(st.opt & (1 << GAW_DEPTH_TEST)) {
v[i].z *= oow;
}