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[c] Fixed Path/TransformConstraint handling of reflection

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This commit is contained in:
badlogic 2016-11-07 14:12:38 +01:00
parent dbcc54fac4
commit d84f9d8330
2 changed files with 15 additions and 4 deletions
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13
spine-c/src/spine/PathConstraint.c
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@ -89,6 +89,7 @@ void spPathConstraint_apply (spPathConstraint* self) {
int tangents = rotateMode == SP_ROTATE_MODE_TANGENT, scale = rotateMode == SP_ROTATE_MODE_CHAIN_SCALE;
int boneCount = self->bonesCount, spacesCount = tangents ? boneCount : boneCount + 1;
spBone** bones = self->bones;
spBone* pa;
if (!translate && !rotate) return;
if ((attachment == 0) || (attachment->super.super.type != SP_ATTACHMENT_PATH)) return;
@ -127,7 +128,14 @@ void spPathConstraint_apply (spPathConstraint* self) {
positions = spPathConstraint_computeWorldPositions(self, attachment, spacesCount, tangents,
data->positionMode == SP_POSITION_MODE_PERCENT, spacingMode == SP_SPACING_MODE_PERCENT);
boneX = positions[0], boneY = positions[1], offsetRotation = self->data->offsetRotation;
tip = rotateMode == SP_ROTATE_MODE_CHAIN_SCALE && offsetRotation == 0;
tip = 0;
if (offsetRotation == 0)
tip = rotateMode == SP_ROTATE_MODE_CHAIN;
else {
tip = 0;
pa = self->target->bone;
offsetRotation *= pa->a * pa->d - pa->b * pa->c > 0 ? DEG_RAD : -DEG_RAD;
}
for (i = 0, p = 3; i < boneCount; i++, p += 3) {
spBone* bone = bones[i];
CONST_CAST(float, bone->worldX) += (boneX - bone->worldX) * translateMix;
@ -158,7 +166,8 @@ void spPathConstraint_apply (spPathConstraint* self) {
length = bone->data->length;
boneX += (length * (cosine * a - sine * c) - dx) * rotateMix;
boneY += (length * (sine * a + cosine * c) - dy) * rotateMix;
}
} else
r += offsetRotation;
if (r > PI)
r -= PI2;
else if (r < -PI)

6
spine-c/src/spine/TransformConstraint.c
View File

@ -57,6 +57,8 @@ void spTransformConstraint_apply (spTransformConstraint* self) {
float rotateMix = self->rotateMix, translateMix = self->translateMix, scaleMix = self->scaleMix, shearMix = self->shearMix;
spBone* target = self->target;
float ta = target->a, tb = target->b, tc = target->c, td = target->d;
float degRadReflect = ta * td - tb * tc > 0 ? DEG_RAD : -DEG_RAD;
float offsetRotation = self->data->offsetRotation * degRadReflect, offsetShearY = self->data->offsetShearY * degRadReflect;
int /*bool*/ modified;
int i;
for (i = 0; i < self->bonesCount; ++i) {
@ -65,7 +67,7 @@ void spTransformConstraint_apply (spTransformConstraint* self) {
if (rotateMix != 0) {
float a = bone->a, b = bone->b, c = bone->c, d = bone->d;
float r = ATAN2(tc, ta) - ATAN2(c, a) + self->data->offsetRotation * DEG_RAD;
float r = ATAN2(tc, ta) - ATAN2(c, a) + offsetRotation;
float cosine, sine;
if (r > PI) r -= PI2;
else if (r < -PI) r += PI2;
@ -108,7 +110,7 @@ void spTransformConstraint_apply (spTransformConstraint* self) {
float s = SQRT(b * b + d * d);
if (r > PI) r -= PI2;
else if (r < -PI) r += PI2;
r = by + (r + self->data->offsetShearY * DEG_RAD) * shearMix;
r = by + (r + offsetShearY) * shearMix;
CONST_CAST(float, bone->b) = COS(r) * s;
CONST_CAST(float, bone->d) = SIN(r) * s;
modified = 1;