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#include <GL/glut.h>
#include <iostream>
#define _USE_MATH_DEFINES
#include <math.h>
#include "C_Block.h"
#define FADE_DURATION 500
/*Durations of animations*/
unsigned int g_BlockAnimDurations[4] = {0, 500, 500, 100};
C_Block::C_Block(const char* f_strFileName,
GLuint f_uiColorTex ,
MatProps_t f_Mat)
: C_3DObject(f_strFileName, f_uiColorTex, f_Mat),
m_CurrState(BS_IDLE), m_uiAnimStart(0)
{
}
C_Block::~C_Block()
{
}
void C_Block::Render(unsigned int f_iElapsedTime)
{
unsigned int l_uiDeltaTime = f_iElapsedTime - m_uiAnimStart;
double l_Scale, l_Scalexz, l_Frac;
//check if the previous animation has ended in between
//calls to this Render function.
if (l_uiDeltaTime > g_BlockAnimDurations[(int)m_CurrState])
{
m_CurrState = BS_IDLE;
}
glPushMatrix();
switch (m_CurrState)
{
case BS_FADE_IN:
l_Scale = (double)l_uiDeltaTime / (double)g_BlockAnimDurations[BS_FADE_IN];
//glScaled(l_Scale, l_Scale, l_Scale);
SetScale(l_Scale, l_Scale, l_Scale);
TransRotateScale();
C_3DObject::Render();
break;
case BS_FADE_OUT:
l_Scale = 1.0 - ((double)l_uiDeltaTime / (double)g_BlockAnimDurations[BS_FADE_OUT]);
// glScaled(l_Scale, l_Scale, l_Scale);
SetScale(l_Scale, l_Scale, l_Scale);
TransRotateScale();
C_3DObject::Render();
break;
case BS_COLLIDE: //wobble
l_Frac = ((double)l_uiDeltaTime / (double)g_BlockAnimDurations[BS_COLLIDE]);
l_Frac *= (M_PI/2.0);
l_Scale = 0.8 + cos(l_Frac)*0.2;
l_Scalexz = 1.0 - sin(l_Frac)*0.2;
SetScale(l_Scalexz, l_Scale, l_Scalexz);
TransRotateScale();
C_3DObject::Render();
break;
case BS_IDLE:
default:
SetScale(1.0, 1.0, 1.0);
TransRotateScale();
C_3DObject::Render();
break;
}
glPopMatrix();
}
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