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-rw-r--r--src/common.h10
-rw-r--r--src/graphics.c50
-rw-r--r--src/graphics.h11
-rw-r--r--src/graphics_x11.c66
-rw-r--r--src/hackvr.c18
-rw-r--r--src/math.c29
-rw-r--r--src/math.h12
7 files changed, 99 insertions, 97 deletions
diff --git a/src/common.h b/src/common.h
index e8896ed..859c826 100644
--- a/src/common.h
+++ b/src/common.h
@@ -33,11 +33,15 @@ typedef struct {
short y;
} cs_t;
+typedef struct c3_rotation {
+ degrees x;
+ degrees y;
+ degrees z;
+} c3_rot_t;
+
struct camera {
c3_t p;
- degrees xr;//rotations
- degrees yr;
- degrees zr;
+ c3_rot_t r;
real zoom;
} camera;
diff --git a/src/graphics.c b/src/graphics.c
index f8d2bf6..cdd9c4a 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -202,33 +202,6 @@ void draw_graph(real (*fun)(real x)) {
}
}
-/*
-c2_t rotate_c2(c2_t p1,c2_t p2,real dr) {//dr is in radians
- c2_t p3;
- real d=distance2(p1,p2);
- real r=points_to_angle(p1,p2);
- r=r+dr;
- p3.x=(sinl(r) * d) + p2.x;
- p3.y=(cosl(r) * d) + p2.y;
- return p3;
-}
-
-c3_t rotate_c3_xr(c3_t p1,c3_t p2,real xr) {//rotate y and z around camera based on xr (looking up and down)
- c2_t tmp;
- tmp=rotate_c2((c2_t){p1.y,p1.z},(c2_t){p2.y,p2.z},xr);
- return (c3_t){p1.x,tmp.x,tmp.y};
-}
-c3_t rotate_c3_yr(c3_t p1,c3_t p2,real yr) {//rotate x and z around camera based on yr (looking left and right)
- c2_t tmp;
- tmp=rotate_c2((c2_t){p1.x,p1.z},(c2_t){p2.x,p2.z},yr);
- return (c3_t){tmp.x,p1.y,tmp.y};
-}
-c3_t rotate_c3_zr(c3_t p1,c3_t p2,real zr) {//rotate x and y around camera based on zr (cocking your head to a side)
- c2_t tmp;
- tmp=rotate_c2((c2_t){p1.x,p1.y},(c2_t){p2.x,p2.y},zr);
- return (c3_t){tmp.x,tmp.y,p1.z};
-}
-*/
c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE
c2_t p2;
// c3_t tmp1;
@@ -236,7 +209,7 @@ c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE
// c3_t tmp3;
c3_t final;
//these rotations need to be about the previous axis after the axis itself has been rotated.
- final=rotate_c3_yr(p3,camera.p,d2r(camera.yr.d));//rotate everything around the camera's location.
+ final=rotate_c3_yr(p3,camera.p,d2r(camera.r.y));//rotate everything around the camera's location.
// final=rotate_c3_yr(p3,(c3_t){0,0,0},d2r(camera.yr));//rotate everything around the center no matter what.
// tmp2=rotate_c3_xr(tmp1,camera.p,d2r(camera.xr));
// final=rotate_c3_zr(tmp2,camera.p,d2r(camera.zr));
@@ -258,8 +231,8 @@ void draw_c3_line(c3_t p1,c3_t p2) {
draw_c2_line((c2_t){p1.x*global.mmz,p1.z*global.mmz},(c2_t){p2.x*global.mmz,p2.z*global.mmz});
}
if(gra_global.drawminimap == 2) {//map rotates.
- c3_t t1=rotate_c3_yr(p1,camera.p,d2r(camera.yr.d));
- c3_t t2=rotate_c3_yr(p2,camera.p,d2r(camera.yr.d));
+ c3_t t1=rotate_c3_yr(p1,camera.p,d2r(camera.r.y));
+ c3_t t2=rotate_c3_yr(p2,camera.p,d2r(camera.r.y));
draw_c2_line((c2_t){t1.x*global.mmz,t1.z*global.mmz},(c2_t){t2.x*global.mmz,t2.z*global.mmz});
}
if(gra_global.draw3d != 0) draw_c2_line(c3_to_c2(p1),c3_to_c2(p2));
@@ -284,7 +257,7 @@ real shitdist(struct c3_shape *s,c3_t p) {
real total=0;
for(i=0;i< s->len+(s->len==1);i++) {
// total=total+shitdist2(rotate_c3_yr(s->p[i],(c3_t){0,0,0},d2r(camera.yr)),camera.p);
- total=total+shitdist2(rotate_c3_yr(s->p[i],camera.p,d2r(camera.yr.d)),camera.p);
+ total=total+shitdist2(rotate_c3_yr(s->p[i],camera.p,d2r(camera.r.y)),camera.p);
}
return (total) / (real)(s->len+(s->len==1));
}
@@ -378,8 +351,11 @@ void draw_screen() {
if(i > 0 && zs[i-1].s) strcpy(global.selected_object,zs[i-1].s->id);
if(gra_global.split_screen > 1) {
- camera.p.z-=(gra_global.split_flip)*((gra_global.split/gra_global.split_screen)*cosl(d2r(camera.yr.d+180)));
- camera.p.x-=(gra_global.split_flip)*((gra_global.split/gra_global.split_screen)*sinl(d2r(camera.yr.d+180)));
+//oh... this will need to be a couple more lines
+ radians tmprad=d2r((degrees){camera.r.y.d+180});
+ radians tmprad2=d2r((degrees){camera.r.y.d+180});
+ camera.p.z-=(gra_global.split_flip)*((gra_global.split/gra_global.split_screen)*cosl( tmprad.r ));
+ camera.p.x-=(gra_global.split_flip)*((gra_global.split/gra_global.split_screen)*sinl( tmprad2.r ));
}
for(cn=0;cn<gra_global.split_screen;cn++) {
set_color();//restart each draw with the default color.
@@ -417,7 +393,7 @@ void draw_screen() {
draw_cs_text((cs_t){gra_global.xoff,(gra_global.height/2)+20},tmp);
snprintf(tmp,sizeof(tmp)-1,"cx: %Lf cy: %Lf cz: %Lf",camera.p.x,camera.p.y,camera.p.z);
draw_cs_text((cs_t){gra_global.xoff,(gra_global.height/2)+30},tmp);
- snprintf(tmp,sizeof(tmp)-1,"xr: %d yr: %d zr: %d",camera.xr.d,camera.yr.d,camera.zr.d);
+ snprintf(tmp,sizeof(tmp)-1,"xr: %d yr: %d zr: %d",camera.r.x.d,camera.r.y.d,camera.r.z.d);
draw_cs_text((cs_t){gra_global.xoff,(gra_global.height/2)+40},tmp);
}
@@ -463,8 +439,10 @@ void draw_screen() {
//}
}
// XSetForeground(global.dpy, global.backgc, global.green.pixel);
- camera.p.z+=(CAMERA_SEPARATION)*(gra_global.split_flip)*(gra_global.split*cosl(d2r(camera.yr.d+180)));
- camera.p.x+=(CAMERA_SEPARATION)*(gra_global.split_flip)*(gra_global.split*sinl(d2r(camera.yr.d+180)));
+ radians tmprad=d2r((degrees){camera.r.y.d+180});
+ radians tmprad2=d2r((degrees){camera.r.y.d+180});
+ camera.p.z+=(gra_global.split_flip)*(gra_global.split*cosl( tmprad.r ));
+ camera.p.x+=(gra_global.split_flip)*(gra_global.split*sinl( tmprad2.r ));
}
//TODO: figure out what all this shit is and either update or remove.
diff --git a/src/graphics.h b/src/graphics.h
index b351d2c..eadaa54 100644
--- a/src/graphics.h
+++ b/src/graphics.h
@@ -11,7 +11,7 @@ struct gra_global {
int greyscale;
int xoff;
int split_screen;
- int split;
+ real split;
int split_flip;
char force_redraw;
char red_and_blue;
@@ -42,12 +42,11 @@ void draw_screen();
void set_aspect_ratio();
int selfcommand(char *s);
cs_t c3_to_cs(c3_t p);
-real d2r(int d);
+radians d2r(degrees d);
real shitdist(struct c3_shape *s,c3_t p);
-c3_t rotate_c3_xr(c3_t p1,c3_t p2,real xr);
-c3_t rotate_c3_yr(c3_t p1,c3_t p2,real yr);
-c3_t rotate_c3_zr(c3_t p1,c3_t p2,real zr);
-real points_to_angle(c2_t p1,c2_t p2);
+c3_t rotate_c3_xr(c3_t p1,c3_t p2,radians xr);
+c3_t rotate_c3_yr(c3_t p1,c3_t p2,radians yr);
+c3_t rotate_c3_zr(c3_t p1,c3_t p2,radians zr);
int compar(zsort_t *a,zsort_t *b);
diff --git a/src/graphics_x11.c b/src/graphics_x11.c
index f86b31e..31a78e4 100644
--- a/src/graphics_x11.c
+++ b/src/graphics_x11.c
@@ -166,6 +166,8 @@ void set_aspect_ratio() {
int keypress_handler(int sym) {
char line[1024];
+ radians tmprad;
+ radians tmprad2;
real tmpx;
// real tmpy; //unused atm
real tmpz;
@@ -175,32 +177,40 @@ int keypress_handler(int sym) {
selfcommand(line);
break;
case XK_Up:
- tmpx=WALK_SPEED*sinl(d2r(camera.yr.d+90));
- tmpz=WALK_SPEED*cosl(d2r(camera.yr.d+90));
+ tmprad=d2r((degrees){camera.r.y.d+90});
+ tmprad2=d2r((degrees){camera.r.y.d+90});
+ tmpx=WALK_SPEED*sinl(tmprad.r);
+ tmpz=WALK_SPEED*cosl(tmprad2.r);
camera.p.x+=tmpx;
camera.p.z+=tmpz;
snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
selfcommand(line);
break;
case XK_Down:
- tmpx=WALK_SPEED*sinl(d2r(camera.yr.d+270));
- tmpz=WALK_SPEED*cosl(d2r(camera.yr.d+270));
+ tmprad=d2r((degrees){camera.r.y.d+270});
+ tmprad2=d2r((degrees){camera.r.y.d+270});
+ tmpx=WALK_SPEED*sinl(tmprad.r);
+ tmpz=WALK_SPEED*cosl(tmprad2.r);
camera.p.x+=tmpx;
camera.p.z+=tmpz;
snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
selfcommand(line);
break;
case XK_Left:
- tmpx=WALK_SPEED*sinl(d2r(camera.yr.d));
- tmpz=WALK_SPEED*cosl(d2r(camera.yr.d));
+ tmprad=d2r(camera.r.y);
+ tmprad2=d2r(camera.r.y);
+ tmpx=WALK_SPEED*sinl(tmprad.r);
+ tmpz=WALK_SPEED*cosl(tmprad2.r);
camera.p.x+=tmpx;
camera.p.z+=tmpz;
snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
selfcommand(line);
break;
case XK_Right:
- tmpx=WALK_SPEED*sinl(d2r(camera.yr.d+180));
- tmpz=WALK_SPEED*cosl(d2r(camera.yr.d+180));
+ tmprad=d2r((degrees){camera.r.y.d+180});
+ tmprad2=d2r((degrees){camera.r.y.d+180});
+ tmpx=WALK_SPEED*sinl(tmprad.r);
+ tmpz=WALK_SPEED*cosl(tmprad2.r);
camera.p.x+=tmpx;
camera.p.z+=tmpz;
snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
@@ -217,28 +227,34 @@ int keypress_handler(int sym) {
selfcommand(line);
break;
case XK_r:
- camera.xr.d+=5;
- while(camera.xr.d > 360) camera.xr.d-=360;
+ camera.r.x.d+=5;
+ while(camera.r.x.d > 360) camera.r.x.d-=360;
break;
case XK_y:
- camera.xr.d-=5;
- while(camera.xr.d < 0) camera.xr.d+=360;
+ camera.r.x.d-=5;
+ while(camera.r.x.d < 0) camera.r.x.d+=360;
break;
case XK_q:
- camera.yr.d+=5;
- while(camera.yr.d > 360) camera.yr.d-=360;
+ camera.r.y.d+=5;
+ while(camera.r.y.d > 360) camera.r.y.d-=360;
break;
case XK_e:
- camera.yr.d-=5;
- while(camera.yr.d < 0) camera.yr.d+=360;
+ camera.r.y.d-=5;
+ while(camera.r.y.d < 0) camera.r.y.d+=360;
break;
case XK_u:
- camera.zr.d+=5;
- while(camera.zr.d > 360) camera.zr.d-=360;
+ camera.r.z.d+=5;
+ while(camera.r.z.d > 360) camera.r.z.d-=360;
break;
case XK_o:
- camera.zr.d-=5;
- while(camera.zr.d < 0) camera.zr.d+=360;
+ camera.r.z.d-=5;
+ while(camera.r.z.d < 0) camera.r.z.d+=360;
+ break;
+ case XK_p:
+ gra_global.split+=.1;
+ break;
+ case XK_l:
+ gra_global.split-=.1;
break;
case XK_z: camera.zoom+=1; break;
case XK_x: camera.zoom-=1; break;
@@ -274,7 +290,7 @@ int keypress_handler(int sym) {
#endif
int graphics_init() {
- int i,j;
+ int i;
char tmp[64];
Cursor cursor;
XSetWindowAttributes attributes;
@@ -296,7 +312,7 @@ int graphics_init() {
assert(x11_global.dpy);
gra_global.split_screen=SPLIT_SCREEN;
gra_global.split_flip=-1;
- gra_global.split=5;
+ gra_global.split=CAMERA_SEPARATION;
x11_global.root_window=0;
gra_global.red_and_blue=RED_AND_BLUE;
//global.colors[0]=BlackPixel(x11_global.dpy,DefaultScreen(x11_global.dpy));
@@ -372,9 +388,9 @@ int graphics_init() {
//this should be in graphics.c ?
camera.zoom=30.0l;
- camera.xr.d=270;
- camera.yr.d=90;
- camera.zr.d=0;
+ camera.r.x.d=270;
+ camera.r.y.d=90;
+ camera.r.z.d=0;
global.mmz=1;
camera.p.x=0;
camera.p.z=-6;
diff --git a/src/hackvr.c b/src/hackvr.c
index f708e65..6828f59 100644
--- a/src/hackvr.c
+++ b/src/hackvr.c
@@ -213,9 +213,9 @@ int load_stdin() {
printf("%s set camera.p.x %Lf\n",global.user,camera.p.x);
printf("%s set camera.p.y %Lf\n",global.user,camera.p.y);
printf("%s set camera.p.z %Lf\n",global.user,camera.p.z);
- printf("%s set camera.xr %d\n",global.user,camera.xr.d);
- printf("%s set camera.yr %d\n",global.user,camera.yr.d);
- printf("%s set camera.zr %d\n",global.user,camera.zr.d);
+ printf("%s set camera.r.x %d\n",global.user,camera.r.x.d);
+ printf("%s set camera.r.y %d\n",global.user,camera.r.y.d);
+ printf("%s set camera.r.z %d\n",global.user,camera.r.z.d);
printf("%s set camera.zoom %Lf\n",global.user,camera.zoom);
continue;
}
@@ -231,9 +231,9 @@ int load_stdin() {
else if(!strcmp(a[2],"camera.p.y")) camera.p.y=strtold(a[3],0);
else if(!strcmp(a[2],"camera.p.z")) camera.p.z=strtold(a[3],0);
else if(!strcmp(a[2],"camera.zoom")) camera.zoom=strtold(a[3],0);
- else if(!strcmp(a[2],"camera.xr")) camera.xr.d=atoi(a[3]);
- else if(!strcmp(a[2],"camera.yr")) camera.yr.d=atoi(a[3]);
- else if(!strcmp(a[2],"camera.zr")) camera.zr.d=atoi(a[3]);
+ else if(!strcmp(a[2],"camera.r.x")) camera.r.x.d=atoi(a[3]);
+ else if(!strcmp(a[2],"camera.r.y")) camera.r.y.d=atoi(a[3]);
+ else if(!strcmp(a[2],"camera.r.z")) camera.r.z.d=atoi(a[3]);
#endif
else printf("# unknown variable: %s\n",a[2]);
continue;
@@ -293,12 +293,14 @@ int load_stdin() {
}
continue;
}
- if(!strcmp(command,"rotate")) {
+ if(!strcmp(command,"rotate")) {//this probably won't be needed with the new rotation structs per group.
if(len > 4) {
for(i=0;global.shape[i];i++) {
if(!strcmp(global.shape[i]->id,id)) {
for(j=0;j < global.shape[i]->len+(global.shape[i]->len==1);j++) {
- global.shape[i]->p[j]=rotate_c3_yr(global.shape[i]->p[j],(c3_t){0,0,0},points_to_angle((c2_t){global.shape[i]->p[j].x,global.shape[i]->p[j].z},(c2_t){0,0})+d2r(atoi(a[2])));
+ radians tmprad=points_to_angle((c2_t){global.shape[i]->p[j].x,global.shape[i]->p[j].z},(c2_t){0,0});
+ radians tmprad2=d2r((degrees){atoi(a[2])});
+ global.shape[i]->p[j]=rotate_c3_yr(global.shape[i]->p[j],(c3_t){0,0,0},(radians){tmprad.r+tmprad2.r});
//global.shape[i]->p[j]=rotate_c3_yr(global.shape[i]->p[j],(c3_t){0,0,0},d2r(atoi(a[3])));
//global.shape[i]->p[j]=rotate_c3_zr(global.shape[i]->p[j],(c3_t){0,0,0},d2r(atoi(a[4])));
}
diff --git a/src/math.c b/src/math.c
index 491d6a3..0f74f3d 100644
--- a/src/math.c
+++ b/src/math.c
@@ -1,38 +1,41 @@
#include "math.h"
-c3_t rotate_c3_xr(c3_t p1,c3_t p2,real xr) {//rotate y and z around camera based on xr (looking up and down)
+//should these use the radians struct?
+
+c3_t rotate_c3_xr(c3_t p1,c3_t p2,radians xr) {//rotate y and z around camera based on xr (looking up and down)
c2_t tmp;
tmp=rotate_c2((c2_t){p1.y,p1.z},(c2_t){p2.y,p2.z},xr);
return (c3_t){p1.x,tmp.x,tmp.y};
}
-c3_t rotate_c3_yr(c3_t p1,c3_t p2,real yr) {//rotate x and z around camera based on yr (looking left and right)
+c3_t rotate_c3_yr(c3_t p1,c3_t p2,radians yr) {//rotate x and z around camera based on yr (looking left and right)
c2_t tmp;
tmp=rotate_c2((c2_t){p1.x,p1.z},(c2_t){p2.x,p2.z},yr);
return (c3_t){tmp.x,p1.y,tmp.y};
}
-c3_t rotate_c3_zr(c3_t p1,c3_t p2,real zr) {//rotate x and y around camera based on zr (cocking your head to a side)
+c3_t rotate_c3_zr(c3_t p1,c3_t p2,radians zr) {//rotate x and y around camera based on zr (cocking your head to a side)
c2_t tmp;
tmp=rotate_c2((c2_t){p1.x,p1.y},(c2_t){p2.x,p2.y},zr);
return (c3_t){tmp.x,tmp.y,p1.z};
}
-c2_t rotate_c2(c2_t p1,c2_t p2,real dr) {//dr is in radians
+c2_t rotate_c2(c2_t p1,c2_t p2,radians dr) {//dr is in radians
c2_t p3;
real d=distance2(p1,p2);
- real r=points_to_angle(p1,p2);
- r=r+dr;
- p3.x=(sinl(r) * d) + p2.x;
- p3.y=(cosl(r) * d) + p2.y;
+ radians r=points_to_angle(p1,p2);
+ r.r=r.r+dr.r;
+ p3.x=(sinl(r.r) * d) + p2.x;
+ p3.y=(cosl(r.r) * d) + p2.y;
return p3;
}
real distance2(c2_t p1,c2_t p2) {
return sqrtl(( (p1.x-p2.x)*(p1.x-p2.x) )+( (p1.y-p2.y)*(p1.y-p2.y) ));
}
-real d2r(int d) {
- while(d<0) d+=360;
- return (real)(d%360) / (real)180 * M_PIl;
+
+radians d2r(degrees d) {
+ while(d.d<0) d.d+=360;
+ return (radians){(real)(d.d%360) / (real)180 * M_PIl};
}
-real points_to_angle(c2_t p1,c2_t p2) {
+radians points_to_angle(c2_t p1,c2_t p2) {
real a=atan2l(p2.y-p1.y,p2.x-p1.x);
- return a>=0?a:M_PIl+M_PIl+a;
+ return (radians){a>=0?a:M_PIl+M_PIl+a};
}
diff --git a/src/math.h b/src/math.h
index 1afe959..dac2409 100644
--- a/src/math.h
+++ b/src/math.h
@@ -8,11 +8,11 @@
#undef __USE_GNU
real distance2(c2_t p1,c2_t p2);
-c2_t rotate_c2(c2_t p1,c2_t p2,real dr);
-c3_t rotate_c3_xr(c3_t p1,c3_t p2,real xr);
-c3_t rotate_c3_yr(c3_t p1,c3_t p2,real yr);
-c3_t rotate_c3_zr(c3_t p1,c3_t p2,real zr);
-real d2r(int d);
-real points_to_angle(c2_t p1,c2_t p2);
+c2_t rotate_c2(c2_t p1,c2_t p2,radians dr);
+c3_t rotate_c3_xr(c3_t p1,c3_t p2,radians xr);
+c3_t rotate_c3_yr(c3_t p1,c3_t p2,radians yr);
+c3_t rotate_c3_zr(c3_t p1,c3_t p2,radians zr);
+radians d2r(degrees d);
+radians points_to_angle(c2_t p1,c2_t p2);
#endif
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