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rug:: an option to draw lines

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This commit is contained in:
Zeno Rogue 2019-03-30 17:46:50 +01:00
parent bd20208fe0
commit f41e149688
1 changed files with 38 additions and 12 deletions
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50
rug.cpp
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@ -14,6 +14,8 @@ bool rug_failure = false;
namespace rug {
ld lwidth = 2;
bool in_crystal() { return surface::sh == surface::dsCrystal; }
bool computed = false;
@ -1173,9 +1175,12 @@ bool project_ods(hyperpoint azeq, hyperpoint& h1, hyperpoint& h2, bool eye) {
vector<glhr::ct_vertex> ct_array;
vector<glhr::ct_vertex> cp_array;
void drawTriangle(triangle& t) {
int num = t.m[2] ? 3 : 2;
using namespace hyperpoint_vec;
for(int i: {0,1,2}) {
for(int i=0; i<num; i++) {
if(!t.m[i]->valid) return;
// if(t.m[i]->dist >= get_sightrange()+.51) return;
}
@ -1184,9 +1189,13 @@ void drawTriangle(triangle& t) {
#if CAP_ODS
if(vid.stereo_mode == current_display->sODS) {
hyperpoint pts[3];
for(int i=0; i<3; i++)
pts[i] = t.m[i]->getglue()->flat;
// not implemented
if(num == 2) return;
for(int i=0; i<num; i++)
pts[i] = t.m[i]->getglue()->flat;
hyperpoint hc = (pts[1] - pts[0]) ^ (pts[2] - pts[0]);
double hch = hypot_d(3, hc);
@ -1250,16 +1259,18 @@ void drawTriangle(triangle& t) {
int spherepoints = 0;
array<hyperpoint,3> h;
for(int i: {0,1,2}) getco(t.m[i], h[i], spherepoints);
for(int i=0; i<num; i++) getco(t.m[i], h[i], spherepoints);
if(spherepoints == 1 || spherepoints == 2) return;
hyperpoint hc = (h[1] - h[0]) ^ (h[2] - h[0]);
double hch = hypot_d(3, hc);
ld col = 1;
if(num == 3) {
hyperpoint hc = (h[1] - h[0]) ^ (h[2] - h[0]);
double hch = hypot_d(3, hc);
col = (2 + hc[0]/hch) / 3;
}
ld col = (2 + hc[0]/hch) / 3;
for(int i: {0,1,2})
ct_array.emplace_back(h[i], t.m[i]->x1, t.m[i]->y1, col);
for(int i=0; i<num; i++)
(num==3?ct_array:cp_array).emplace_back(h[i], t.m[i]->x1, t.m[i]->y1, col);
}
renderbuffer *glbuf;
@ -1327,6 +1338,7 @@ void drawRugScene() {
for(int ed=current_display->stereo_active() && vid.stereo_mode != sODS ? -1 : 0; ed < 2; ed += 2) {
use_precompute = false;
ct_array.clear();
cp_array.clear();
current_display->set_mask(ed), current_display->set_viewport(ed);
if(ed == 1 && vid.stereo_mode == sAnaglyph)
glClear(GL_DEPTH_BUFFER_BIT);
@ -1379,8 +1391,17 @@ void drawRugScene() {
drawTriangle(triangles[t]);
glhr::id_modelview();
glhr::prepare(ct_array);
glDrawArrays(GL_TRIANGLES, 0, isize(ct_array));
if(isize(ct_array) > 0) {
glhr::prepare(ct_array);
glDrawArrays(GL_TRIANGLES, 0, isize(ct_array));
}
if(isize(cp_array) > 0) {
glhr::prepare(cp_array);
glLineWidth(lwidth);
glDrawArrays(GL_LINES, 0, isize(cp_array));
}
current_display->set_mask(0);
}
@ -1719,6 +1740,7 @@ hyperpoint gethyper(ld x, ld y) {
auto r0 = triangles[i].m[0];
auto r1 = triangles[i].m[1];
auto r2 = triangles[i].m[2];
if(!r2) continue;
hyperpoint p0, p1, p2;
bool error = false;
int spherepoints = 0;
@ -1986,6 +2008,10 @@ int rugArgs() {
renderonce = false;
}
else if(argis("-ruglwidth")) {
shift_arg_formula(lwidth);
}
else if(argis("-rugauto")) {
shift_arg_formula(ruggo);
}