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cocos2d-x/cocos/editor-support/spine/IkConstraint.h

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+ * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+#ifndef Spine_IkConstraint_h
+#define Spine_IkConstraint_h
+
+#include <spine/ConstraintData.h>
+
+#include <spine/Vector.h>
+
+namespace spine {
+class IkConstraintData;
+
+class Skeleton;
+
+class Bone;
+
+class SP_API IkConstraint : public Updatable {
+	friend class Skeleton;
+
+	friend class IkConstraintTimeline;
+
+RTTI_DECL
+
+public:
+	/// Adjusts the bone rotation so the tip is as close to the target position as possible. The target is specified
+	/// in the world coordinate system.
+	static void apply(Bone &bone, float targetX, float targetY, bool compress, bool stretch, bool uniform, float alpha);
+
+	/// Adjusts the parent and child bone rotations so the tip of the child is as close to the target position as
+	/// possible. The target is specified in the world coordinate system.
+	/// @param child A direct descendant of the parent bone.
+	static void apply(Bone &parent, Bone &child, float targetX, float targetY, int bendDir, bool stretch, float softness, float alpha);
+
+	IkConstraint(IkConstraintData &data, Skeleton &skeleton);
+
+	/// Applies the constraint to the constrained bones.
+	void apply();
+
+	virtual void update();
+
+	virtual int getOrder();
+
+	IkConstraintData &getData();
+
+	Vector<Bone *> &getBones();
+
+	Bone *getTarget();
+
+	void setTarget(Bone *inValue);
+
+	int getBendDirection();
+
+	void setBendDirection(int inValue);
+
+	bool getCompress();
+
+	void setCompress(bool inValue);
+
+	bool getStretch();
+
+	void setStretch(bool inValue);
+
+	float getMix();
+
+	void setMix(float inValue);
+
+	float getSoftness();
+
+	void setSoftness(float inValue);
+
+	bool isActive();
+
+	void setActive(bool inValue);
+
+private:
+	IkConstraintData &_data;
+	Vector<Bone *> _bones;
+	int _bendDirection;
+	bool _compress;
+	bool _stretch;
+	float _mix;
+	float _softness;
+	Bone *_target;
+	bool _active;
+};
+}
+
+#endif /* Spine_IkConstraint_h */