JS as farm Series 2: Implementation of tool bar and seed package

Click the seed package in the toolbar, select the appropriate seed (cabbage or radish), and add a click seeding event to the Land (not completely implemented yet)

Here, the seed object uses the constructor prototype:

 Constructor prototype

// Seed object
Function Seed (event, seedname ){
This . Mousedownevent = Event | Window. event; // Mouse press event
This . Seedname = Seedname; // Seed name
This . Divseed =   Null ; // Created Seeds
This . Iscanmove =   False ; // Movable or not
This . Iscansow =   False ; // Can I click to sow?
}

// Create seed according to different types
Seed. Prototype. createseed =   Function (){
VaR E =   This . Mousedownevent;
VaR Oseed = Document. createelement ( " Div " );

Oseed. style. Width=   " 51px " ;
Oseed. style. Height =   " 58px " ;
Oseed. style. Position =   " Absolute " ;
Oseed. style. Top = Document.doc umentelement. scrolltop + E. clienty -   25   +   " Px " ; // Note that the scroll bar must be taken into account when the mouse coordinates are obtained.
Oseed. style. Left = Document.doc umentelement. scrollleft + E. clientx -   0   +   " Px " ;
Oseed. style. Background =   " URL ('HTTP: // images.cnblogs.com/cnblogs_com/meiqunfeng/farm/seed "   +   This . Seedname +   " . PNG ') No-repeat " ;

Document. getelementbyid ("Map"). Appendchild (oseed );

This . Divseed = Oseed;
This . Iscanmove =   True ;
This . Iscansow =   True ;
}
// Move the mouse to move the seed
Seed. Prototype. seedmove =   Function (E ){
E = E | Window. event;
This . Divseed. style. Top = Document.doc umentelement. scrolltop + E. clienty -   25 ;
This . Divseed. style. Left = Document.doc umentelement. scrollleft + E. clientx -   0 ;

}
// Seeding
Seed. Prototype. sowseed =   Function (ID ){
// Obtains the left and top of the seeds held by the mouse.
// VaR left = This. divseed. style. Left. substring (0, this. divseed. style. Left. Length-2 );
// VaR Top = This. divseed. style. Top. substring (0, this. divseed. style. Top. Length-2 );
Alert ( " Seeding successful! " );
This . Iscanmove =   False ;
This . Iscansow =   False ;

}