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fixed spin_towards

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This commit is contained in:
Zeno Rogue 2019-07-31 17:05:12 +02:00
parent 794f8b679e
commit a6b71facfb
3 changed files with 16 additions and 11 deletions
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9
hyperpoint.cpp
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@ -801,9 +801,12 @@ transmatrix solmul_pt(const transmatrix Position, const transmatrix T) {
else return Position * T;
}
transmatrix spin_towards(const transmatrix Position, const hyperpoint goal) {
if(sol) return solv::spin_towards(Position, goal);
return Position * rspintox(inverse(Position) * goal);
transmatrix spin_towards(const transmatrix Position, const hyperpoint goal, int dir, int back) {
transmatrix T = sol ? solv::spin_towards(Position, goal) : rspintox(inverse(Position) * goal);
if(back < 0) T = T * spin(M_PI);
if(dir) T = T * cspin(dir, 0, -M_PI/2);
T = Position * T;
return T;
}
}

14
shmup.cpp
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@ -2407,6 +2407,10 @@ int speedfactor() {
return items[itOrbSpeed]?2:1;
}
int bulletdir() {
return (WDIM == 2) ? 0 : 2;
}
transmatrix frontpush(ld x) {
if(WDIM == 2) return xpush(x);
else return cpush(2, x);
@ -2463,7 +2467,7 @@ void moveBullet(monster *m, int delta) {
m->vel -= delta / speedfactor() / 600000.0;
if(m->vel < 0 && m->parent) {
// return to the flailer!
nat = nat * rspintox(inverse(m->pat) * m->parent->pat * C0) * spin(M_PI);
nat = spin_towards(m->pat, m->parent->pat * C0, bulletdir(), -1);
}
}
else m->vel = bullet_velocity(m->type);
@ -2581,7 +2585,7 @@ void moveBullet(monster *m, int delta) {
if((m2->type == moPalace || m2->type == moFatGuard || m2->type == moSkeleton ||
m2->type == moVizier || isMetalBeast(m2->type) || m2->type == moTortoise || m2->type == moBrownBug ||
m2->type == moReptile || m2->type == moSalamander || m2->type == moTerraWarrior) && m2->hitpoints > 1 && !slayer) {
m2->rebasePat(m2->pat * rspintox(inverse(m2->pat) * nat0 * C0));
m2->rebasePat(spin_towards(m2->pat, nat0 * C0, 0, 1));
if(m2->type != moSkeleton && !isMetalBeast(m2->type) && m2->type != moReptile && m2->type != moSalamander && m2->type != moBrownBug)
m2->hitpoints--;
m->dead = true;
@ -2632,7 +2636,7 @@ void moveBullet(monster *m, int delta) {
// Knights reflect bullets
if(m2->type == moKnight) {
if(m->parent && m->parent != &arrowtrap_fakeparent) {
nat = nat * rspintox(inverse(m->pat) * m->parent->pat * C0);
nat = spin_towards(nat, tC0(m->parent->pat), bulletdir(), 1);
m->rebasePat(nat);
}
m->parent = m2;
@ -2668,7 +2672,7 @@ bool dragonbreath(cell *dragon) {
int randplayer = hrand(numplayers());
monster* bullet = new monster;
bullet->base = dragon;
bullet->at = rspintox(inverse(gmatrix[dragon]) * pc[randplayer]->pat * C0);
bullet->at = spin_towards(Id, inverse(gmatrix[dragon]) * tC0(pc[randplayer]->pat), bulletdir(), 1);
bullet->type = moFireball;
bullet->parent = bullet;
bullet->pid = randplayer;
@ -2902,7 +2906,7 @@ void moveMonster(monster *m, int delta) {
if(h[0] < fabsl(h[1])) return;
}
else if(!peace::on) {
nat = spin_towards(m->pat, tC0(goal));
nat = spin_towards(m->pat, tC0(goal), 0, 1);
}
}

4
sol.cpp
View File

@ -383,8 +383,6 @@ namespace solv {
}
transmatrix spin_towards(const transmatrix Position, const hyperpoint goal) {
// Position * rspintox(inverse(Position) * goal);
// Position * rspintox(inverse(back_Position) * back_goal);
hyperpoint at = tC0(Position);
transmatrix push_back = inverse(eupush(at));
@ -393,7 +391,7 @@ namespace solv {
transmatrix back_Position = push_back * Position;
return Position * rspintox(inverse(back_Position) * back_goal);
return rspintox(inverse(back_Position) * back_goal);
}
string solshader =