diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/graphics_c3.c | 68 |
1 files changed, 28 insertions, 40 deletions
diff --git a/src/graphics_c3.c b/src/graphics_c3.c index 27ca910..805d062 100644 --- a/src/graphics_c3.c +++ b/src/graphics_c3.c @@ -48,30 +48,15 @@ real distance3(c3_t p1,c3_t p2) { return sqrtl(( (p1.x-p2.x)*(p1.x-p2.x) )+( (p1.y-p2.y)*(p1.y-p2.y) )+( (p1.z-p2.z)*(p1.z-p2.z) )); } -/* -real 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; -} -*/ -/* -real d2r(int d) { - while(d<0) d+=360; - return (real)(d%360) / (real)180 * M_PIl; -}*/ -int r2d(real r) { - return r / M_PIl * 180; -} - -int between_angles(real angle,real lower,real upper) { +int between_angles(degrees d,real lower,real upper) { //lower may be higher than upper. //because lower is < 0 which wraps to higher. lower is 270, upper is 90. 270-90 is in front. if(lower > upper) { - if(angle > lower) return 1; - if(angle < upper) return 1; + if(d.d > lower) return 1; + if(d.d < upper) return 1; } if(upper > lower) { - if(angle > lower && angle < upper) return 1; + if(d.d > lower && d.d < upper) return 1; } return 0; } @@ -178,15 +163,37 @@ c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE return p2; } +void draw_minimap_line(c3_t p1,c3_t p2) { + if(gra_global.drawminimap == 1) { + draw_c2_line((c2_t){(global.camera.p.x-2)*global.mmz,(global.camera.p.z+2)*global.mmz},(c2_t){(global.camera.p.x+2)*global.mmz,(global.camera.p.z-2)*global.mmz}); + draw_c2_line((c2_t){(global.camera.p.x+2)*global.mmz,(global.camera.p.z+2)*global.mmz},(c2_t){(global.camera.p.x-2)*global.mmz,(global.camera.p.z-2)*global.mmz}); + 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,global.camera.p,d2r(global.camera.r.y)); + c3_t t2=rotate_c3_yr(p2,global.camera.p,d2r(global.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}); + } +} + void draw_c3_shape(c3_s_t s) {//outlined. needs to be filled? //draw minimap shit in here too? probably... int i; + char drawthefucker=0;//I don't wanna! c2_s_t s2; + radians r; s2.id=s.id;//it shouldn't disappear and we shouldn't need to make a copy. s2.len=s.len; c3_group_rot_t *gr=get_group_rotation(s.id); for(i=0;i<s.len+(s.len==1);i++) { - //this is causing rotation even when values are 0. this should not be. this is why the tictactoe game has hacks. - //I think this is fixed now. + r=points_to_angle((c2_t){global.camera.p.x,global.camera.p.z},(c2_t){s.p[i].x,s.p[i].z}); + if(between_angles(r2d(r),0,180)) { + drawthefucker=1;//damn it. + break;//might as well cut this short. we have to draw this bastard now. :/ + } + } + if(!drawthefucker) return;//fuck yeah. didn't have to do all that other crap. + for(i=0;i<s.len+(s.len==1);i++) { + if(i>1) draw_minimap_line(s.p[i],s.p[(i+1)%s.len]); s2.p[i]=c3_to_c2(gr?c3_add(gr->p,rotate_c3_yr(s.p[i],gr->p,d2r(gr->r.y))):s.p[i]); //this is only applying rotation around the y axis... gotta do this for x and z? uh oh. this could get weird. //s2.p[i]=c3_to_c2(s.p[i]); @@ -223,25 +230,6 @@ void draw_graph(real (*fun)(real x)) { } } -void draw_c3_line(c3_t p1,c3_t p2) { -// if(!between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p1.x,p1.z}),0,90) || -// !between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p2.x,p2.z}),0,90)) return; - if(gra_global.drawminimap == 1) { - draw_c2_line((c2_t){(global.camera.p.x-2)*global.mmz,(global.camera.p.z+2)*global.mmz},(c2_t){(global.camera.p.x+2)*global.mmz,(global.camera.p.z-2)*global.mmz}); - draw_c2_line((c2_t){(global.camera.p.x+2)*global.mmz,(global.camera.p.z+2)*global.mmz},(c2_t){(global.camera.p.x-2)*global.mmz,(global.camera.p.z-2)*global.mmz}); - 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,global.camera.p,d2r(global.camera.r.y)); - c3_t t2=rotate_c3_yr(p2,global.camera.p,d2r(global.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)); - if(global.debug) { - - } -} - cs_t c3_to_cs(c3_t p) { return c2_to_cs(c3_to_c2(p)); } |