61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
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#include "stdafx.h"
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//-----------------------------------------------------------------------------
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// File: TransitionFade.cpp
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//
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// Desc: "Window blinds"-type transition.
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//
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// Copyright (c) 2001 Chris Danford. All rights reserved.
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//-----------------------------------------------------------------------------
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#include "RageUtil.h"
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#include "TransitionFade.h"
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#define SCREEN_WIDTH 640
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#define SCREEN_HEIGHT 480
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#define RECTANGLE_WIDTH 20
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#define NUM_RECTANGLES (SCREEN_WIDTH/RECTANGLE_WIDTH)
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#define FADE_RECTS_WIDE (NUM_RECTANGLES/3) // number of rects from fade start to fade end
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TransitionFade::TransitionFade()
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{
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}
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TransitionFade::~TransitionFade()
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{
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}
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void TransitionFade::Draw()
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{
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FLOAT fPercentageOpaque;
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switch( m_TransitionState )
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{
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case opened:
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fPercentageOpaque = 0.0;
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break;
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case closed:
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fPercentageOpaque = 1.0;
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break;
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case opening_right:
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case opening_left:
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fPercentageOpaque = 1.0f - m_fPercentThroughTransition;
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break;
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case closing_right:
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case closing_left:
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fPercentageOpaque = m_fPercentThroughTransition;
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break;
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}
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m_Color.a = fPercentageOpaque;
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int alpha = (int)( fPercentageOpaque * 255 );
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SCREEN->DrawRect( CRect(0,0,SCREEN_WIDTH,SCREEN_HEIGHT), m_Color );
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}
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