//
//  sample2View.m
//  sample2
//
//  Created by ?? ?? on 05/06/18.
//  Copyright (c) 2005, __MyCompanyName__. All rights reserved.
//

#import "sample2View.h"


@implementation sample2View

- (id)initWithFrame:(NSRect)frame isPreview:(BOOL)isPreview
{
    self = [super initWithFrame:frame isPreview:isPreview];
    if (self) {
        [self setAnimationTimeInterval:2/30.0];
    }
    return self;
}

- (void)startAnimation
{
    [super startAnimation];
}

- (void)stopAnimation
{
    [super stopAnimation];
}

- (void)drawRect:(NSRect)rect
{
    [super drawRect:rect];
}


- (NSPoint)rand_point//ランダムなポイントを返す
{
        int width = [self frame].size.width;
        int height = [self frame].size.height;
        NSPoint point = NSMakePoint(SSRandomFloatBetween(0.0, width),SSRandomFloatBetween(0.0, height));//ランダム座標
        return point;
}


- (NSColor*)rand_color//ランダムなカラーを作成
{
    float red = SSRandomFloatBetween(0.0, 1.0);
    float blue = SSRandomFloatBetween(0.0, 1.0);
    float green = SSRandomFloatBetween(0.0, 1.0);
    float alpha = SSRandomFloatBetween(0.0, 1.0);
        NSColor* r_color = [NSColor colorWithCalibratedRed:red green:green blue:blue alpha:alpha];//先ほどのパラメタを使用して色を作る           
        return r_color;
}

- (NSBezierPath*)makePoly:(NSPoint)pt
                polynum:(int)num
                angle:(int)ang
                r:(float)r
{
    int i;
        if(num==0){
                num=SSRandomIntBetween(3, 8);
        }
        if(r==0.0){
                r=SSRandomFloatBetween(10, 64);
        }
        NSBezierPath* bezierPath = [NSBezierPath bezierPath];
        ang+=90;
    for(i = 0; i <= num; i++) {
        NSPoint tmpPoint = pt;
        tmpPoint.x += r * cos(2 * M_PI * (i / (float)num)-(M_PI_2/90.0)*ang);//floatで割らないとずっと0になってしまう。
        tmpPoint.y += r * sin(2 * M_PI * (i / (float)num)-(M_PI_2/90.0)*ang);//0以下の桁が四捨五入される、切り捨てかも。
        if(i == 0) {
            [bezierPath moveToPoint:tmpPoint];
        }
        else {
            [bezierPath lineToPoint:tmpPoint];
        }
    }
    [bezierPath closePath];//始点と終点を繋ぐ。

    return bezierPath;
}


- (void)animateOneFrame
{
//フェードアウトさせる
NSColor* fade_c = [NSColor colorWithCalibratedRed:0.0 green:0.0 blue:0.0 alpha:0.05];
NSRect fade_s = NSMakeRect(0, 0, [self frame].size.width, [self frame].size.height);

[[self rand_color] set];
[ [self makePoly: [self rand_point] polynum:0 angle:0 r:0] stroke];
[fade_c set];
[NSBezierPath fillRect:fade_s];

    return;
}

- (BOOL)hasConfigureSheet
{
    return NO;
}

- (NSWindow*)configureSheet
{
    return nil;
}

@end