Common Cocos2d-x plotting Functions

1. Commonly used graphic functions are as follows. 1ccDrawColor4B (GLubyter, GLubyteg, GLubyteb, GLubytea): sets the painting color. Parameter 1: Red weight. Parameter 2: green component. Parameter 3: blue component. Parameter 4: transparency. 2 glLineWidth (GLfloatwidth): Set the line width. Parameter: width

1. Commonly used graphic functions are as follows. 1 ccDrawColor4B (GLubyte r, GLubyte g, GLubyte B, GLubyte a) function: Set the painting color. Parameter 1: Red weight. Parameter 2: green component. Parameter 3: blue component. Parameter 4: transparency. 2 glLineWidth (GLfloat width): Set the line width. Parameter: width

1. Commonly used graphic functions are as follows.

<1> ccDrawColor4B (GLubyte r, GLubyte g, GLubyte B, GLubyte)

Purpose:Set the painting color.

Parameter 1:Red weight.

Parameter 2:Green component.

Parameter 3:Blue component.

Parameter 4:Transparency.

<2> glLineWidth (GLfloat width)

Purpose:Set the line width.

Parameters:Width value.

<3> ccDrawLine (const CCPoint & origin, const CCPoint & destination)

Purpose:Draw a straight line.

Parameter 1:Start coordinate.

Parameter 2:End coordinate.

<4> ccPointSize (GLfloat pointSize)

Purpose:Set the size of each vertex.

Parameters:Point size.

<5> ccDrawPoint (const CCPoint & point)

Purpose:Draw a vertex.

Parameters:Coordinates of the vertex.

<6> ccDrawCircle (const CCPoint & center, float radius, float angle, unsigned int segments, bool drawLineToCenter)

Purpose:Draw a circle.

Parameter 1: Center Coordinate.

Parameter 2:Radius length.

Parameter 3:The angle of the circle.

Parameter 4:Angle.

Parameter 5:Number of points.

<7> ccDrawPoly (const CCPoint * poli, unsigned int numberOfPoints, bool closePolygon)

Purpose:Draw a hollow polygon.

Parameter 1:Vertex array.

Parameter 2:Point quantity.

Parameter 3:Whether to automatically close the polygon.

<8> ccDrawSolidRect (CCPoint origin, CCPoint destination, ccColor4F color)

Purpose:Draw a filled rectangle.

Parameter 1:Vertex array.

Parameter 2:Point quantity.

Parameter 3:The color of the rectangle.

<9> ccDrawRect (CCPoint origin, CCPoint destination)

Purpose:Draw a hollow rectangle.

Parameter 1:Vertex array.

Parameter 2:Point quantity.

<10> ccdrawquadbezr (const CCPoint & origin, const CCPoint & control, const CCPoint & destination, unsigned int segments)

Purpose:Draw the besell curve.

Parameter 1:Start Point.

Parameter 2:Control Point.

Parameter 3:End Point.

Parameter 4:Number of vertices.

<11> ccdrawcubes (conts CCPoint & origin, const CCPoint & control1, const CCPoint & control2, const CCPoint & destination, unsigned int segments)

Purpose:Draw a three-dimensional besell curve.

Parameter 1:Start Point.

Parameter 2:Control Point 1.

Parameter 3:Control Point 2.

Parameter 4:End Point.

Parameter 5:Number of vertices.