LoopMovement

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In games or scene demo coder want to repeat motion or behaviour. swValueModifier api simplifies these operations.

For example

  • An item goes and comes between two place.
  • Changing alpha value 0-1 range..
  • Items rotation repeat
  • Items size scale repeat.

ScreenShot
Image:LoopModifier1.JPG

Source Code 

#include "../../include/SWEngine.h"
 
#pragma comment (lib,"../../lib/SWUtil.lib")    
#pragma comment (lib,"../../lib/SWTypes.lib")    
#pragma comment (lib,"../../lib/SWCore.lib")    
#pragma comment (lib,"../../lib/SWEngine.lib")    
#pragma comment (lib,"../../lib/SWGame.lib")    
#pragma comment (lib,"../../lib/SWGui.lib")    
 
 
swApplication loopApp;
float alpha=0;
float x=100;
int   alphaLoopID=-1;
int   xLoopID=-1;
 
 
 
//-------------------------------------------------------------------------------------------
void GameLoop(){ 
 
	swGraphicsBeginScene();
 
	//Background
	swGraphicsSetBgColor0(0.6f,0.6f,0.6f);
 
	//5gen
	swValueModifierExecute(xLoopID,0.15f);
	swValueModifierExecute(alphaLoopID,0.15f);
	swGraphicsSetColor0(0.3,0.2,0.8,alpha);
	swGraphicsSetBlendingMode(SW_BLENDING_MODE_SOLID);
	swGraphicsRenderSolidElips0(x,300,200,200,5);
	swGraphicsEndScene();
}
 
 
 
 
 
//-------------------------------------------------------------------------------------------
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{ 
 
	//Application Settings
	loopApp.hInstance=hInstance;
	loopApp.fullScreen=false;
	loopApp.cursor=true;
	loopApp.width=800;
	loopApp.height=600;
	loopApp.title="Loop Value Modifier";
	loopApp.path="";
	loopApp.appRun=GameLoop;
 
	//Application Execution
	swEngineInit(&loopApp);
 
	//Init Application
	alphaLoopID=swValueModifierCreate(SW_VALUE_MODIFIER_010_LOOP,&alpha,0,1,0.05,0);
	xLoopID=swValueModifierCreate(SW_VALUE_MODIFIER_01_LOOP,&x,100,600,20,0);
 
	swEngineRun();
	swEngineExit();
 
	return 0;
}
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