PlayView.m
// File: PlayView.m |
// Abstract: Implementation file for PlayView class of HID_Config_Save project |
// Version: 5.3 |
// |
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#import "PlayView.h" |
@implementation PlayView |
- (id) initWithFrame: (NSRect) frame { |
self = [super initWithFrame:frame]; |
if (self) { |
// Initialization code here. |
x = y = 128.0; |
minX = minY = 0.0; |
maxX = maxY = 255.0; |
thrust = 0.0; |
} |
return (self); |
} // initWithFrame |
// Drawing code here. |
- (void) drawRect: (NSRect) dirtyRect { |
#pragma unused (dirtyRect) |
NSRect bounds = [self bounds]; |
// erase us |
[[NSColor blackColor] setFill]; |
NSRectFill(bounds); |
// now calculate the axis coordinates (x, y) |
CGFloat width = NSWidth(bounds), height = NSHeight(bounds); |
CGFloat dotRadius = MAX(MAX(width, height) / 40.0, 5.0); |
dotRadius *= (256.0 - thrust) / 128.0; |
CGFloat dotDiameter = dotRadius * 2.0; |
width -= dotDiameter; |
height -= dotDiameter; |
CGFloat rangeX = maxX - minX, rangeY = maxY - minY; |
CGFloat dotX = NSMinX(bounds) + ((x - minX) * width / rangeX) + dotRadius; |
CGFloat dotY = NSMaxY(bounds) - ((y - minY) * height / rangeY) - dotRadius; |
NSRect dotBounds = NSMakeRect(dotX - dotRadius, dotY - dotRadius, dotDiameter, dotDiameter); |
// draw the dot |
if (thrust >= 1.0) { |
[[NSColor greenColor] setFill]; |
} else { |
[[NSColor redColor] setFill]; |
} |
[[NSBezierPath bezierPathWithOvalInRect:dotBounds] fill]; |
NSBezierPath *thePath = [NSBezierPath bezierPath]; |
if (fire) { |
// draw the lasers |
[thePath moveToPoint:NSMakePoint(NSMinX(bounds), NSMinY(bounds))]; |
[thePath lineToPoint:NSMakePoint(dotX, dotY)]; |
[thePath moveToPoint:NSMakePoint(NSMinX(bounds), NSMaxY(bounds))]; |
[thePath lineToPoint:NSMakePoint(dotX, dotY)]; |
[thePath moveToPoint:NSMakePoint(NSMaxX(bounds), NSMinY(bounds))]; |
[thePath lineToPoint:NSMakePoint(dotX, dotY)]; |
[thePath moveToPoint:NSMakePoint(NSMaxX(bounds), NSMaxY(bounds))]; |
[thePath lineToPoint:NSMakePoint(dotX, dotY)]; |
[[NSColor redColor] setStroke]; |
} else { |
// draw the crosshairs |
[thePath moveToPoint:NSMakePoint(NSMinX(bounds), dotY)]; |
[thePath lineToPoint:NSMakePoint(NSMaxX(bounds), dotY)]; |
[thePath moveToPoint:NSMakePoint(dotX, NSMinY(bounds))]; |
[thePath lineToPoint:NSMakePoint(dotX, NSMaxY(bounds))]; |
[[NSColor grayColor] setStroke]; |
} |
[thePath closePath]; |
[thePath stroke]; |
} // drawRect |
- (double) x { |
return x; |
} |
- (void) setX: (double) inValue { |
if (inValue < minX) { |
inValue = minX; |
} |
if (inValue > maxX) { |
inValue = maxX; |
} |
if (x != inValue) { |
x = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setX |
- (double) y { |
return y; |
} |
- (void) setY: (double) inValue { |
if (inValue < minY) { |
inValue = minY; |
} |
if (inValue > maxY) { |
inValue = maxY; |
} |
if (y != inValue) { |
y = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setY |
- (double) minX { |
return minX; |
} |
- (void) setMinX: (double) inValue { |
if (minX != inValue) { |
minX = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setMinX |
- (double) minY { |
return minY; |
} |
- (void) setMinY: (double) inValue { |
if (minY != inValue) { |
minY = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setMinY |
- (double) maxX { |
return maxX; |
} |
- (void) setMaxX: (double) inValue { |
if (maxX != inValue) { |
maxX = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setMaxX |
- (double) maxY { |
return maxY; |
} |
- (void) setMaxY: (double) inValue { |
if (maxY != inValue) { |
maxY = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setMaxY |
- (double) thrust { |
return thrust; |
} |
- (void) setThrust: (double) inValue { |
if (thrust != inValue) { |
thrust = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setThrust |
- (BOOL) fire { |
return fire; |
} |
- (void) setFire: (BOOL) inValue { |
if (fire != inValue) { |
fire = inValue; |
[self setNeedsDisplay:YES]; |
} |
} // setFire |
@synthesize x, y, minX, minY, maxX, maxY, thrust, fire; |
@end |
Copyright © 2014 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2014-02-28