ScreenTransition.cpp

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//
//  ScreenTransition.cpp
//  puzzleSample
//
//  Created by Nathan Sturtevant on 5/22/19.
//  Copyright © 2019 University of Denver. All rights reserved.
//
 
#include "ScreenTransition.h"
 
LineTransition::LineTransition(int seg, int lps, rgbColor clr)
{
        numSegments = seg;
        linesPerSegment = lps;
        color = clr;
}
 
void LineTransition::SetColor(rgbColor c)
{
        color = c;
}
 
void LineTransition::Reset(float t)
{
        mTime = t;
}
 
bool LineTransition::Step(float delta)
{
        mTime += delta;
        if (mTime > 1)
                mTime = 1;
        if (mTime < 0)
                mTime = 0;
        if (mTime >= 1 || mTime <= 0)
                return true;
        return false;
}
void LineTransition::Draw(Graphics::Display &d)
{
//      numSegments = seg;
//      linesPerSegment = lps;
        float segmentHeight = 2.0/numSegments;
        for (int x = -2; x < numSegments+2; x++)
        {
                Graphics::rect r(-2, -1+x*segmentHeight, 2, -1+x*segmentHeight+mTime*segmentHeight);
                d.FillRect(r, color);
        }
}
 
FallingBoxTransition::FallingBoxTransition(int dimension)
:dim(dimension){}
 
void FallingBoxTransition::Reset(float t)
{
        mTime = t;
}
bool FallingBoxTransition::Step(float delta)
{
        mTime += delta;
        if (mTime > 1)
                mTime = 1;
        if (mTime < 0)
                mTime = 0;
        if (mTime >= 1 || mTime <= 0)
                return true;
        return false;
}
 
void FallingBoxTransition::Draw(Graphics::Display &d)
{
        float s = 1.0f/dim;
        for (float x = -2; x < 2; x += 2*s)
        {
                for (float y = -2; y < 2; y += 2*s)
                {
                        d.FillSquare({x+s, y+s}, s*mTime, Colors::black);
                }
        }
}