背景和头像缺失

cocos2d/extensions/Particle3D/PU/CCPUSimpleSpline.h

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+/****************************************************************************
+ Copyright (C) 2013 Henry van Merode. All rights reserved.
+ Copyright (c) 2015 Chukong Technologies Inc.
+ 
+ http://www.cocos2d-x.org
+ 
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+ 
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ ****************************************************************************/
+
+#ifndef __CC_PU_PARTICLE_3D_SIMPLE_SPLINE_H__
+#define __CC_PU_PARTICLE_3D_SIMPLE_SPLINE_H__
+
+#include "base/CCRef.h"
+#include "math/CCMath.h"
+#include <vector>
+
+NS_CC_BEGIN
+class PUSimpleSpline
+{
+public:
+    PUSimpleSpline();
+    ~PUSimpleSpline();
+
+    /** Adds a control point to the end of the spline. */
+    void addPoint(const Vec3& p);
+
+    /** Gets the detail of one of the control points of the spline. */
+    const Vec3& getPoint(unsigned short index) const;
+
+    /** Gets the number of control points in the spline. */
+    unsigned short getNumPoints(void) const;
+
+    /** Clears all the points in the spline. */
+    void clear(void);
+
+    /** Updates a single point in the spline. 
+    @remarks
+        This point must already exist in the spline.
+    */
+    void updatePoint(unsigned short index, const Vec3& value);
+
+    /** Returns an interpolated point based on a parametric value over the whole series.
+    @remarks
+        Given a t value between 0 and 1 representing the parametric distance along the
+        whole length of the spline, this method returns an interpolated point.
+    @param t Parametric value.
+    */
+    Vec3 interpolate(float t) const;
+
+    /** Interpolates a single segment of the spline given a parametric value.
+    @param fromIndex The point index to treat as t=0. fromIndex + 1 is deemed to be t=1
+    @param t Parametric value
+    */
+    Vec3 interpolate(unsigned int fromIndex, float t) const;
+
+
+    /** Tells the spline whether it should automatically calculate tangents on demand
+        as points are added.
+    @remarks
+        The spline calculates tangents at each point automatically based on the input points.
+        Normally it does this every time a point changes. However, if you have a lot of points
+        to add in one go, you probably don't want to incur this overhead and would prefer to 
+        defer the calculation until you are finished setting all the points. You can do this
+        by calling this method with a parameter of 'false'. Just remember to manually call 
+        the recalcTangents method when you are done.
+    @param autoCalc If true, tangents are calculated for you whenever a point changes. If false, 
+        you must call reclacTangents to recalculate them when it best suits.
+    */
+    void setAutoCalculate(bool autoCalc);
+
+    /** Recalculates the tangents associated with this spline. 
+    @remarks
+        If you tell the spline not to update on demand by calling setAutoCalculate(false)
+        then you must call this after completing your updates to the spline points.
+    */
+    void recalcTangents(void);
+
+protected:
+
+    bool _autoCalc;
+
+    std::vector<Vec3> _points;
+    std::vector<Vec3> _tangents;
+
+    /// Matrix of coefficients 
+    Mat4 _coeffs;
+
+
+
+};
+NS_CC_END
+
+#endif