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-rw-r--r--scene/resources/curve.cpp339
1 files changed, 1 insertions, 338 deletions
diff --git a/scene/resources/curve.cpp b/scene/resources/curve.cpp
index 877760c1bd..7fbaa1f73c 100644
--- a/scene/resources/curve.cpp
+++ b/scene/resources/curve.cpp
@@ -28,6 +28,7 @@
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "curve.h"
+
#include "core_string_names.h"
template <class T>
@@ -42,344 +43,6 @@ static _FORCE_INLINE_ T _bezier_interp(real_t t, T start, T control_1, T control
return start * omt3 + control_1 * omt2 * t * 3.0 + control_2 * omt * t2 * 3.0 + end * t3;
}
-#if 0
-
-int Curve2D::get_point_count() const {
-
- return points.size();
-}
-void Curve2D::add_point(const Vector2& p_pos, const Vector2& p_in, const Vector2& p_out) {
-
- Point n;
- n.pos=p_pos;
- n.in=p_in;
- n.out=p_out;
- points.push_back(n);
- emit_signal(CoreStringNames::get_singleton()->changed);
-}
-void Curve2D::set_point_pos(int p_index, const Vector2& p_pos) {
-
- ERR_FAIL_INDEX(p_index,points.size());
-
- points[p_index].pos=p_pos;
- emit_signal(CoreStringNames::get_singleton()->changed);
-
-}
-Vector2 Curve2D::get_point_pos(int p_index) const {
-
- ERR_FAIL_INDEX_V(p_index,points.size(),Vector2());
- return points[p_index].pos;
-
-}
-
-
-void Curve2D::set_point_in(int p_index, const Vector2& p_in) {
-
- ERR_FAIL_INDEX(p_index,points.size());
-
- points[p_index].in=p_in;
- emit_signal(CoreStringNames::get_singleton()->changed);
-
-}
-Vector2 Curve2D::get_point_in(int p_index) const {
-
- ERR_FAIL_INDEX_V(p_index,points.size(),Vector2());
- return points[p_index].in;
-
-}
-
-void Curve2D::set_point_out(int p_index, const Vector2& p_out) {
-
- ERR_FAIL_INDEX(p_index,points.size());
-
- points[p_index].out=p_out;
- emit_signal(CoreStringNames::get_singleton()->changed);
-}
-
-Vector2 Curve2D::get_point_out(int p_index) const {
-
- ERR_FAIL_INDEX_V(p_index,points.size(),Vector2());
- return points[p_index].out;
-
-}
-
-
-void Curve2D::remove_point(int p_index) {
-
- ERR_FAIL_INDEX(p_index,points.size());
- points.remove(p_index);
- emit_signal(CoreStringNames::get_singleton()->changed);
-}
-
-Vector2 Curve2D::interpolate(int p_index, float p_offset) const {
-
- int pc = points.size();
- ERR_FAIL_COND_V(pc==0,Vector2());
-
- if (p_index >= pc-1)
- return points[pc-1].pos;
- else if (p_index<0)
- return points[0].pos;
-
- Vector2 p0 = points[p_index].pos;
- Vector2 p1 = p0+points[p_index].out;
- Vector2 p3 = points[p_index+1].pos;
- Vector2 p2 = p3+points[p_index+1].in;
-
- return _bezier_interp(p_offset,p0,p1,p2,p3);
-}
-
-Vector2 Curve2D::interpolatef(real_t p_findex) const {
-
-
- if (p_findex<0)
- p_findex=0;
- else if (p_findex>=points.size())
- p_findex=points.size();
-
- return interpolate((int)p_findex,Math::fmod(p_findex,1.0));
-
-}
-
-PoolVector<Point2> Curve2D::bake(int p_subdivs) const {
-
- int pc = points.size();
-
- PoolVector<Point2> ret;
- if (pc<2)
- return ret;
-
- ret.resize((pc-1)*p_subdivs+1);
-
- PoolVector<Point2>::Write w = ret.write();
- const Point *r = points.ptr();
-
- for(int i=0;i<pc;i++) {
-
- int ofs = pc*p_subdivs;
-
- int limit=(i==pc-1)?p_subdivs+1:p_subdivs;
-
- for(int j=0;j<limit;j++) {
-
- Vector2 p0 = r[i].pos;
- Vector2 p1 = p0+r[i].out;
- Vector2 p3 = r[i].pos;
- Vector2 p2 = p3+r[i].in;
- real_t t = j/(real_t)p_subdivs;
-
- w[ofs+j]=_bezier_interp(t,p0,p1,p2,p3);
-
- }
- }
-
- w = PoolVector<Point2>::Write();
-
- return ret;
-}
-
-void Curve2D::advance(real_t p_distance,int &r_index, real_t &r_pos) const {
-
- int pc = points.size();
- ERR_FAIL_COND(pc<2);
- if (r_index<0 || r_index>=(pc-1))
- return;
-
- Vector2 pos = interpolate(r_index,r_pos);
-
- float sign=p_distance<0 ? -1 : 1;
- p_distance=Math::abs(p_distance);
-
- real_t base = r_index+r_pos;
- real_t top = 0.1; //a tenth is in theory representative
- int iterations=32;
-
-
-
- for(int i=0;i<iterations;i++) {
-
-
- real_t o=base+top*sign;
- if (sign>0 && o >=pc) {
- top=pc-base;
- break;
- } else if (sign<0 && o <0) {
- top=-base;
- break;
- }
-
- Vector2 new_d = interpolatef(o);
-
- if (new_d.distance_to(pos) > p_distance)
- break;
- top*=2.0;
- }
-
-
- real_t bottom = 0.0;
- iterations=8;
- real_t final_offset;
-
-
- for(int i=0;i<iterations;i++) {
-
- real_t middle = (bottom+top)*0.5;
- real_t o=base+middle*sign;
- Vector2 new_d = interpolatef(o);
-
- if (new_d.distance_to(pos) > p_distance) {
- bottom=middle;
- } else {
- top=middle;
- }
- final_offset=o;
- }
-
- r_index=(int)final_offset;
- r_pos=Math::fmod(final_offset,1.0);
-
-}
-
-void Curve2D::get_approx_position_from_offset(real_t p_offset,int &r_index, real_t &r_pos,int p_subdivs) const {
-
- ERR_FAIL_COND(points.size()<2);
-
- real_t accum=0;
-
-
-
- for(int i=0;i<points.size();i++) {
-
- Vector2 prev_p=interpolate(i,0);
-
-
- for(int j=1;j<=p_subdivs;j++) {
-
- real_t frac = j/(real_t)p_subdivs;
- Vector2 p = interpolate(i,frac);
- real_t d = p.distance_to(prev_p);
-
- accum+=d;
- if (accum>p_offset) {
-
-
- r_index=j-1;
- if (d>0) {
- real_t mf = (p_offset-(accum-d)) / d;
- r_pos=frac-(1.0-mf);
- } else {
- r_pos=frac;
- }
-
- return;
- }
-
- prev_p=p;
- }
- }
-
- r_index=points.size()-1;
- r_pos=1.0;
-
-
-}
-
-void Curve2D::set_points_in(const Vector2Array& p_points) {
-
- points.resize(p_points.size());
- for (int i=0; i<p_points.size(); i++) {
-
- Point p = points[i];
- p.in = p_points[i];
- points[i] = p;
- };
-};
-
-void Curve2D::set_points_out(const Vector2Array& p_points) {
-
- points.resize(p_points.size());
- for (int i=0; i<p_points.size(); i++) {
-
- Point p = points[i];
- p.out = p_points[i];
- points[i] = p;
- };
-};
-
-void Curve2D::set_points_pos(const Vector2Array& p_points) {
-
- points.resize(p_points.size());
- for (int i=0; i<p_points.size(); i++) {
-
- Point p = points[i];
- p.pos = p_points[i];
- points[i] = p;
- };
-};
-
-Vector2Array Curve2D::get_points_in() const {
- Vector2Array ret;
- ret.resize(points.size());
- for (int i=0; i<points.size(); i++) {
- ret.set(i, points[i].in);
- };
- return ret;
-};
-
-Vector2Array Curve2D::get_points_out() const {
- Vector2Array ret;
- ret.resize(points.size());
- for (int i=0; i<points.size(); i++) {
- ret.set(i, points[i].out);
- };
- return ret;
-};
-
-Vector2Array Curve2D::get_points_pos() const {
- Vector2Array ret;
- ret.resize(points.size());
- for (int i=0; i<points.size(); i++) {
- ret.set(i, points[i].pos);
- };
- return ret;
-};
-
-
-void Curve2D::_bind_methods() {
-
- ClassDB::bind_method(D_METHOD("get_point_count"),&Curve2D::get_point_count);
- ClassDB::bind_method(D_METHOD("add_point","pos","in","out"),&Curve2D::add_point,DEFVAL(Vector2()),DEFVAL(Vector2()));
- ClassDB::bind_method(D_METHOD("set_point_pos","idx","pos"),&Curve2D::set_point_pos);
- ClassDB::bind_method(D_METHOD("get_point_pos","idx"),&Curve2D::get_point_pos);
- ClassDB::bind_method(D_METHOD("set_point_in","idx","pos"),&Curve2D::set_point_in);
- ClassDB::bind_method(D_METHOD("get_point_in","idx"),&Curve2D::get_point_in);
- ClassDB::bind_method(D_METHOD("set_point_out","idx","pos"),&Curve2D::set_point_out);
- ClassDB::bind_method(D_METHOD("get_point_out","idx"),&Curve2D::get_point_out);
- ClassDB::bind_method(D_METHOD("remove_point","idx"),&Curve2D::remove_point);
- ClassDB::bind_method(D_METHOD("interpolate","idx","t"),&Curve2D::interpolate);
- ClassDB::bind_method(D_METHOD("bake","subdivs"),&Curve2D::bake,DEFVAL(10));
-
-
- ClassDB::bind_method(D_METHOD("set_points_in"),&Curve2D::set_points_in);
- ClassDB::bind_method(D_METHOD("set_points_out"),&Curve2D::set_points_out);
- ClassDB::bind_method(D_METHOD("set_points_pos"),&Curve2D::set_points_pos);
-
- ClassDB::bind_method(D_METHOD("get_points_in"),&Curve2D::get_points_in);
- ClassDB::bind_method(D_METHOD("get_points_out"),&Curve2D::get_points_out);
- ClassDB::bind_method(D_METHOD("get_points_pos"),&Curve2D::get_points_pos);
-
- ADD_PROPERTY( PropertyInfo( Variant::VECTOR2_ARRAY, "points_in"), "set_points_in","get_points_in");
- ADD_PROPERTY( PropertyInfo( Variant::VECTOR2_ARRAY, "points_out"), "set_points_out","get_points_out");
- ADD_PROPERTY( PropertyInfo( Variant::VECTOR2_ARRAY, "points_pos"), "set_points_pos","get_points_pos");
-}
-
-
-Curve2D::Curve2D()
-{
-}
-
-#endif
-
const char *Curve::SIGNAL_RANGE_CHANGED = "range_changed";
Curve::Curve() {
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