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culling working for both 2d and 3d projections

This commit is contained in:
Ricardo Quesada 2014-02-23 01:09:52 -08:00
parent fe1160cd8c
commit 04460750b8
5 changed files with 72 additions and 30 deletions
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15
CHANGELOG
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@ -1,11 +1,18 @@
cocos2d-x-3.0rc0 Feb.?? 2014
[All]
[NEW] Adds more console commands: director resume|pause|stopanimation|startanimation.
[NEW] Adds Dutch Language support.
[NEW] Action: RotateBy supports 3D rotations
[NEW] Bindings: Using python to automatically generate script bindings
[NEW] Bindings: Added JS bindings support for Linux
[NEW] Console: Added 'resolution', 'projection' commands. Improved API
[NEW] Console: Added more commands: director resume|pause|stopanimation|startanimation.
[NEW] Director: Displays 'Vertices drawn' in the stats. Useful to measure performance.
[NEW] Using python to automatically generate script bindings codes.
[NEW] Linux javascript bindings support.
[NEW] Node: Added set/get Position3D() and set/get Rotation3D()
Node: Calculates rotation X and Y correctly.
Node: set/get VertexZ() -> set/get PositionZ()
Node: setRotationX() -> setRotationSkewX()
Node: setRotationY() -> setRotationSkewY()
[NEW] Language: Added Dutch support.
[NEW] Sprite: Added auto-culling support
[FIX] Character would not be aligned on the baseline when label using distance field.
[FIX] Adds a macro to disable inserting script binding relevant codes.

5
cocos/2d/CCDirector.cpp
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@ -452,14 +452,15 @@ void Director::setProjection(Projection projection)
kmGLMultMatrix(&matrixPerspective);
kmGLMatrixMode(KM_GL_MODELVIEW);
kmGLLoadIdentity();
kmVec3 eye, center, up;
kmVec3Fill(&eye, size.width/2, size.height/2, zeye);
kmVec3Fill(&center, size.width/2, size.height/2, 0.0f);
kmVec3Fill(&up, 0.0f, 1.0f, 0.0f);
kmMat4LookAt(&matrixLookup, &eye, &center, &up);
kmGLMultMatrix(&matrixLookup);
kmGLMatrixMode(KM_GL_MODELVIEW);
kmGLLoadIdentity();
break;
}

34
cocos/2d/CCNode.h
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@ -352,8 +352,15 @@ public:
virtual void setPositionY(float y);
virtual float getPositionY(void) const;
/**
* Sets the X, Y, and Z axis position
*/
virtual void setPosition3D(const Vertex3F& position);
/**
* returns the X, Y and Z axis position
*/
virtual Vertex3F getPosition3D() const;
/**
* Sets the 'z' axis in the position. It is the OpenGL Z vertex value.
*
@ -391,13 +398,16 @@ public:
/**
* Changes the X skew angle of the node in degrees.
*
* The difference between `setRotationalSkew()` and `setSkew()` is that the first one simulate Flash's skew functionality
* while the second one uses the real skew funciton.
*
* This angle describes the shear distortion in the X direction.
* Thus, it is the angle between the Y axis and the left edge of the shape
* The default skewX angle is 0. Positive values distort the node in a CW direction.
*
* @param fSkewX The X skew angle of the node in degrees.
* @param skewX The X skew angle of the node in degrees.
*/
virtual void setSkewX(float fSkewX);
virtual void setSkewX(float skewX);
/**
* Returns the X skew angle of the node in degrees.
*
@ -411,13 +421,16 @@ public:
/**
* Changes the Y skew angle of the node in degrees.
*
* The difference between `setRotationalSkew()` and `setSkew()` is that the first one simulate Flash's skew functionality
* while the second one uses the real skew funciton.
*
* This angle describes the shear distortion in the Y direction.
* Thus, it is the angle between the X axis and the bottom edge of the shape
* The default skewY angle is 0. Positive values distort the node in a CCW direction.
*
* @param fSkewY The Y skew angle of the node in degrees.
* @param skewY The Y skew angle of the node in degrees.
*/
virtual void setSkewY(float fSkewY);
virtual void setSkewY(float skewY);
/**
* Returns the Y skew angle of the node in degrees.
*
@ -514,12 +527,22 @@ public:
*/
virtual float getRotation() const;
/**
* Sets the X, Y and Z axis rotation
* Useful for 3d rotations
*/
virtual void setRotation3D(const Vertex3F& rotation);
/**
* returns the X, Y and Z axis rotation
*/
virtual Vertex3F getRotation3D() const;
/**
* Sets the X rotation (angle) of the node in degrees which performs a horizontal rotational skew.
*
* The difference between setRotationalSkew() and setSkew() is that the first one simulate Flash's skew functionality
* while the second one uses the real skew funciton.
*
* 0 is the default rotation angle.
* Positive values rotate node clockwise, and negative values for anti-clockwise.
*
@ -541,6 +564,9 @@ public:
/**
* Sets the Y rotation (angle) of the node in degrees which performs a vertical rotational skew.
*
* The difference between setRotationalSkew() and setSkew() is that the first one simulate Flash's skew functionality
* while the second one uses the real skew funciton.
*
* 0 is the default rotation angle.
* Positive values rotate node clockwise, and negative values for anti-clockwise.
*

38
cocos/2d/CCSprite.cpp
View File

@ -599,7 +599,7 @@ void Sprite::updateTransform(void)
Point( _quad.tr.vertices.x, _quad.tr.vertices.y ),
Point( _quad.tl.vertices.x, _quad.tl.vertices.y ),
};
ccDrawPoly(vertices, 4, true);
DrawPrimitives::drawPoly(vertices, 4, true);
#endif // CC_SPRITE_DEBUG_DRAW
}
@ -618,19 +618,27 @@ void Sprite::draw(void)
bool Sprite::culling() const
{
Size s = Director::getInstance()->getWinSize();
kmVec3 v3 = {_contentSize.width*0.5f, _contentSize.height*0.5f, 0};
kmVec3Transform(&v3, &v3, &_modelViewTransform);
float hcsx = _contentSize.width * 0.5f;
float hcsy = _contentSize.height * 0.5f;
float cshw = _contentSize.width * fmaxf(fabsf(_modelViewTransform.mat[0] + _modelViewTransform.mat[4]), fabsf(_modelViewTransform.mat[0] - _modelViewTransform.mat[4]));
float cshh = _contentSize.height * fmaxf(fabsf(_modelViewTransform.mat[1] + _modelViewTransform.mat[5]), fabsf(_modelViewTransform.mat[1] - _modelViewTransform.mat[5]));
// convert to world coordinates
float x = hcsx * _modelViewTransform.mat[0] + hcsy * _modelViewTransform.mat[4] + _modelViewTransform.mat[12];
float y = hcsx * _modelViewTransform.mat[1] + hcsy * _modelViewTransform.mat[5] + _modelViewTransform.mat[13];
return ( (fabsf(v3.x)-cshw) < s.width/2 && (fabsf(v3.y)-cshh) < s.height/2);
// center of screen is (0,0)
x -= s.width/2;
y -= s.height/2;
// convert content size to world coordinates
float wchw = hcsx * fmaxf(fabsf(_modelViewTransform.mat[0] + _modelViewTransform.mat[4]), fabsf(_modelViewTransform.mat[0] - _modelViewTransform.mat[4]));
float wchh = hcsy * fmaxf(fabsf(_modelViewTransform.mat[1] + _modelViewTransform.mat[5]), fabsf(_modelViewTransform.mat[1] - _modelViewTransform.mat[5]));
float tmpx = (fabsf(x)-wchw);
float tmpy = (fabsf(y)-wchh);
return (tmpx < s.width/2 && tmpy < s.height/2);
}
// Node overrides
void Sprite::addChild(Node *child, int zOrder, int tag)
{
CCASSERT(child != nullptr, "Argument must be non-nullptr");
@ -796,15 +804,15 @@ void Sprite::setRotation(float rotation)
SET_DIRTY_RECURSIVELY();
}
void Sprite::setRotationX(float fRotationX)
void Sprite::setRotationSkewX(float fRotationX)
{
Node::setRotationX(fRotationX);
Node::setRotationSkewX(fRotationX);
SET_DIRTY_RECURSIVELY();
}
void Sprite::setRotationY(float fRotationY)
void Sprite::setRotationSkewY(float fRotationY)
{
Node::setRotationY(fRotationY);
Node::setRotationSkewY(fRotationY);
SET_DIRTY_RECURSIVELY();
}
@ -844,9 +852,9 @@ void Sprite::setScale(float scaleX, float scaleY)
SET_DIRTY_RECURSIVELY();
}
void Sprite::setVertexZ(float fVertexZ)
void Sprite::setPositionZ(float fVertexZ)
{
Node::setVertexZ(fVertexZ);
Node::setPositionZ(fVertexZ);
SET_DIRTY_RECURSIVELY();
}

6
cocos/2d/CCSprite.h
View File

@ -408,8 +408,8 @@ public:
virtual void setPosition(const Point& pos) override;
virtual void setPosition(float x, float y) override;
virtual void setRotation(float rotation) override;
virtual void setRotationX(float rotationX) override;
virtual void setRotationY(float rotationY) override;
virtual void setRotationSkewX(float rotationX) override;
virtual void setRotationSkewY(float rotationY) override;
virtual void setSkewX(float sx) override;
virtual void setSkewY(float sy) override;
virtual void removeChild(Node* child, bool cleanup) override;
@ -419,7 +419,7 @@ public:
virtual void addChild(Node *child, int zOrder, int tag) override;
virtual void sortAllChildren() override;
virtual void setScale(float scale) override;
virtual void setVertexZ(float vertexZ) override;
virtual void setPositionZ(float positionZ) override;
virtual void setAnchorPoint(const Point& anchor) override;
virtual void ignoreAnchorPointForPosition(bool value) override;
virtual void setVisible(bool bVisible) override;