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Added spread value for ring and alpha in out mode for particles

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This commit is contained in:
Mark Mine 2005-03-21 23:46:34 +00:00
parent 43fa6e3a0c
commit acf25fe6ad
13 changed files with 76 additions and 4 deletions
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4
panda/src/particlesystem/baseParticleRenderer.I
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@ -79,6 +79,10 @@ get_cur_alpha(BaseParticle* bp) {
case PR_ALPHA_IN:
return bp->get_parameterized_age();
case PR_ALPHA_IN_OUT:
return 2.0 * min(bp->get_parameterized_age(),
1.0f - bp->get_parameterized_age());
case PR_ALPHA_USER:
return _user_alpha;

1
panda/src/particlesystem/baseParticleRenderer.h
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@ -40,6 +40,7 @@ PUBLISHED:
PR_ALPHA_NONE,
PR_ALPHA_OUT,
PR_ALPHA_IN,
PR_ALPHA_IN_OUT,
PR_ALPHA_USER,
PR_NOT_INITIALIZED_YET
};

2
panda/src/particlesystem/geomParticleRenderer.cxx
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@ -191,6 +191,8 @@ render(pvector< PT(PhysicsObject) >& po_vector, int ttl_particles) {
alpha_scalar = cur_particle->get_parameterized_age();
if (_alpha_mode == PR_ALPHA_OUT)
alpha_scalar = 1.0f - alpha_scalar;
else if (_alpha_mode == PR_ALPHA_IN_OUT)
alpha_scalar = 2.0f * min(alpha_scalar, 1.0f - alpha_scalar);
alpha_scalar *= get_user_alpha();
}

2
panda/src/particlesystem/lineParticleRenderer.cxx
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@ -212,6 +212,8 @@ render(pvector< PT(PhysicsObject) >& po_vector, int ttl_particles) {
alpha = cur_particle->get_parameterized_age();
if (_alpha_mode == PR_ALPHA_OUT)
alpha = 1.0f - alpha;
else if (_alpha_mode == PR_ALPHA_IN_OUT)
alpha = 2.0f * min(alpha, 1.0f - alpha);
}
head_color[3] = alpha;

3
panda/src/particlesystem/pointParticleRenderer.cxx
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@ -201,6 +201,9 @@ create_color(const BaseParticle *p) {
if(_alpha_mode==PR_ALPHA_OUT) {
parameterized_age = 1.0f - parameterized_age;
} else if(_alpha_mode==PR_ALPHA_IN_OUT) {
parameterized_age = 2.0f * min(parameterized_age,
1.0f - parameterized_age);
}
}
color[3] = parameterized_age * get_user_alpha();

23
panda/src/particlesystem/ringEmitter.I
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@ -38,6 +38,17 @@ set_angle(float angle) {
_aoe = angle;
}
////////////////////////////////////////////////////////////////////
// Function : set_radius_spread
// Access : public
// Description : radius_spread set
////////////////////////////////////////////////////////////////////
INLINE void RingEmitter::
set_radius_spread(float spread) {
_radius_spread = spread;
}
////////////////////////////////////////////////////////////////////
// Function : get_radius
// Access : public
@ -59,3 +70,15 @@ INLINE float RingEmitter::
get_angle() const {
return _aoe;
}
////////////////////////////////////////////////////////////////////
// Function : get_radius_spread
// Access : public
// Description : radius_spread get
////////////////////////////////////////////////////////////////////
INLINE float RingEmitter::
get_radius_spread() const {
return _radius_spread;
}

9
panda/src/particlesystem/ringEmitter.cxx
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@ -25,7 +25,7 @@
////////////////////////////////////////////////////////////////////
RingEmitter::
RingEmitter() :
_radius(1.0f), _aoe(0.0f) {
_radius(1.0f), _aoe(0.0f), _radius_spread(0.0f) {
}
////////////////////////////////////////////////////////////////////
@ -38,6 +38,7 @@ RingEmitter(const RingEmitter &copy) :
BaseParticleEmitter(copy) {
_radius = copy._radius;
_aoe = copy._aoe;
_radius_spread = copy._radius_spread;
_sin_theta = copy._sin_theta;
_cos_theta = copy._cos_theta;
@ -73,8 +74,9 @@ assign_initial_position(LPoint3f& pos) {
_cos_theta = cosf(theta);
_sin_theta = sinf(theta);
float new_x = _cos_theta * _radius;
float new_y = _sin_theta * _radius;
float new_radius_spread = SPREAD(_radius_spread);
float new_x = _cos_theta * (_radius + new_radius_spread);
float new_y = _sin_theta * (_radius + new_radius_spread);
pos.set(new_x, new_y, 0.0f);
}
@ -127,6 +129,7 @@ write(ostream &out, int indent) const {
#ifndef NDEBUG //[
out.width(indent); out<<""; out<<"RingEmitter:\n";
out.width(indent+2); out<<""; out<<"_radius "<<_radius<<"\n";
out.width(indent+2); out<<""; out<<"_radius_spread "<<_radius_spread<<"\n";
out.width(indent+2); out<<""; out<<"_aoe "<<_aoe<<"\n";
out.width(indent+2); out<<""; out<<"_sin_theta "<<_sin_theta<<"\n";
out.width(indent+2); out<<""; out<<"_cos_theta "<<_cos_theta<<"\n";

3
panda/src/particlesystem/ringEmitter.h
View File

@ -36,15 +36,18 @@ PUBLISHED:
INLINE void set_radius(float r);
INLINE void set_angle(float angle);
INLINE void set_radius_spread(float spread);
INLINE float get_radius() const;
INLINE float get_angle() const;
INLINE float get_radius_spread() const;
virtual void output(ostream &out) const;
virtual void write(ostream &out, int indent=0) const;
private:
float _radius;
float _radius_spread;
// CUSTOM EMISSION PARAMETERS
float _aoe; // angle of elevation

2
panda/src/particlesystem/sparkleParticleRenderer.cxx
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@ -211,6 +211,8 @@ render(pvector< PT(PhysicsObject) >& po_vector, int ttl_particles) {
alpha = cur_particle->get_parameterized_age();
if (_alpha_mode == PR_ALPHA_OUT)
alpha = 1.0f - alpha;
else if (_alpha_mode == PR_ALPHA_IN_OUT)
alpha = 2.0f * min(alpha, 1.0f - alpha);
alpha *= get_user_alpha();
}

3
panda/src/particlesystem/spriteParticleRenderer.cxx
View File

@ -330,6 +330,9 @@ render(pvector< PT(PhysicsObject) >& po_vector, int ttl_particles) {
c[3] = (1.0f - t) * get_user_alpha();
else if (alphamode == PR_ALPHA_IN)
c[3] = t * get_user_alpha();
else if (alphamode == PR_ALPHA_IN_OUT) {
c[3] = 2.0f * min(t, 1.0f - t) * get_user_alpha();
}
else {
assert(alphamode == PR_ALPHA_USER);
c[3] = get_user_alpha();

18
panda/src/particlesystem/tangentRingEmitter.I
View File

@ -25,6 +25,15 @@ set_radius(float r) {
_radius = r;
}
////////////////////////////////////////////////////////////////////
// Function : set_radius_spread
// Access : public
////////////////////////////////////////////////////////////////////
INLINE void TangentRingEmitter::
set_radius_spread(float spread) {
_radius_spread = spread;
}
////////////////////////////////////////////////////////////////////
// Function : get_radius
// Access : public
@ -33,3 +42,12 @@ INLINE float TangentRingEmitter::
get_radius(void) const {
return _radius;
}
////////////////////////////////////////////////////////////////////
// Function : get_radius_spread
// Access : public
////////////////////////////////////////////////////////////////////
INLINE float TangentRingEmitter::
get_radius_spread(void) const {
return _radius_spread;
}

6
panda/src/particlesystem/tangentRingEmitter.cxx
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@ -26,6 +26,7 @@
TangentRingEmitter::
TangentRingEmitter() {
_radius = 1.0f;
_radius_spread = 0.0f;
}
////////////////////////////////////////////////////////////////////
@ -37,6 +38,7 @@ TangentRingEmitter::
TangentRingEmitter(const TangentRingEmitter &copy) :
BaseParticleEmitter(copy) {
_radius = copy._radius;
_radius_spread = copy._radius_spread;
}
////////////////////////////////////////////////////////////////////
@ -70,7 +72,8 @@ assign_initial_position(LPoint3f& pos) {
_x = cosf(theta);
_y = sinf(theta);
pos.set(_radius * _x, _radius * _y, 0.0f);
float new_radius = _radius + SPREAD(_radius_spread);
pos.set(new_radius * _x, new_radius * _y, 0.0f);
}
////////////////////////////////////////////////////////////////////
@ -107,6 +110,7 @@ write(ostream &out, int indent) const {
#ifndef NDEBUG //[
out.width(indent); out<<""; out<<"TangentRingEmitter:\n";
out.width(indent+2); out<<""; out<<"_radius "<<_radius<<"\n";
out.width(indent+2); out<<""; out<<"_radius_spread "<<_radius_spread<<"\n";
out.width(indent+2); out<<""; out<<"_x "<<_x<<"\n";
out.width(indent+2); out<<""; out<<"_y "<<_y<<"\n";
BaseParticleEmitter::write(out, indent+2);

4
panda/src/particlesystem/tangentRingEmitter.h
View File

@ -36,13 +36,17 @@ PUBLISHED:
virtual BaseParticleEmitter *make_copy();
INLINE void set_radius(float r);
INLINE void set_radius_spread(float spread);
INLINE float get_radius() const;
INLINE float get_radius_spread() const;
virtual void output(ostream &out) const;
virtual void write(ostream &out, int indent=0) const;
private:
float _radius;
float _radius_spread;
// CUSTOM EMISSION PARAMETERS
// none