-
Notifications
You must be signed in to change notification settings - Fork 37
/
PLCamera.m
executable file
·170 lines (142 loc) · 4.04 KB
/
PLCamera.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
/*
* PanoramaGL library
* Version 0.1
* Copyright (c) 2010 Javier Baez <[email protected]>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "PLCameraProtected.h"
@implementation PLCamera
@synthesize isFovEnabled;
@synthesize fov, fovSensitivity;
@synthesize fovFactor;
@synthesize fovRange;
@synthesize minDistanceToEnableFov;
@synthesize initialLookAt;
#pragma mark -
#pragma mark init methods
+(id)camera
{
return [[[PLCamera alloc] init] autorelease];
}
-(void)initializeValues
{
fovRange = PLRangeMake(kDefaultFovMinValue, kDefaultFovMaxValue);
self.fov = kDefaultFov;
isFovEnabled = YES;
fovSensitivity = kDefaultFovSensitivity;
minDistanceToEnableFov = kDefaultMinDistanceToEnableFov;
initialLookAt = PLRotationMake(0.0f, 0.0f, 0.0f);
[super initializeValues];
[self setIsReverseRotation:YES];
[self setIsValid:YES];
}
#pragma mark -
#pragma mark reset methods
-(void)reset
{
self.fov = kDefaultFov;
[super reset];
[self lookAtWithPitch:initialLookAt.pitch yaw:initialLookAt.yaw];
}
#pragma mark -
#pragma mark property methods
-(void)setFovRange:(PLRange)value
{
if(value.max >= value.min)
{
fovRange = PLRangeMake(value.min < kFovMinValue ? kFovMinValue : value.min, value.max > kFovMaxValue ? kFovMaxValue : value.max);
self.fov = fov;
}
}
-(void)setMinDistanceToEnableFov:(NSUInteger)value
{
if(value > 0)
minDistanceToEnableFov = value;
}
-(void)setFovSensitivity:(float)value
{
if(value > 0.0f)
fovSensitivity = value;
}
-(void)setFov:(float)value
{
if(isFovEnabled)
{
fov = [PLMath normalizeFov:value range:fovRange];
if(fov < 0.0f)
fovFactor = kFovFactorOffsetValue + kFovFactorNegativeOffsetValue * (fov / kDefaultFovFactorMinValue);
else if(fov >= 0.0f)
fovFactor = kFovFactorOffsetValue + kFovFactorPositiveOffsetValue * (fov / kDefaultFovFactorMaxValue);
}
}
-(float)getFOVFactorCorrected
{
float value = 1.0f;
if(fov < 0.0f)
value = kFovFactorOffsetValue + kFOVFactorCorrectedNegativeOffsetValue * (fov / kDefaultFOVFactorCorrectedMinValue);
else if(fov >= 0.0f)
value = kFovFactorOffsetValue + kFOVFactorCorrectedPositiveOffsetValue * (fov / kDefaultFOVFactorCorrectedMaxValue);
return value;
}
-(PLRotation)getAbsoluteRotation
{
PLRotation rotation = self.rotation;
return PLRotationMake(-rotation.pitch, -rotation.yaw, rotation.roll);
}
#pragma mark -
#pragma mark fov methods
-(void)addFovWithDistance:(float)distance;
{
self.fov += ((distance < 0 ? distance / 2.5 : distance) / fovSensitivity);
}
-(void)addFovWithStartPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint sign:(int)sign
{
[self addFovWithDistance: [PLMath distanceBetweenPoints:startPoint :endPoint] * (sign < 0 ? -1 : 1)];
}
#pragma mark -
#pragma mark render methods
-(void)beginRender
{
[self rotate];
[self translate];
}
-(void)endRender
{
}
-(void)internalRender
{
}
#pragma mark -
#pragma mark lookat methods
-(void)lookAtWithPitch:(float)pitch yaw:(float)yaw
{
[self rotateWithPitch:-pitch yaw:-yaw];
}
-(void)setInitialLookAtWithPitch:(float)pitch yaw:(float)yaw
{
initialLookAt.pitch = pitch;
initialLookAt.yaw = yaw;
}
#pragma mark -
#pragma mark clone methods
-(void)cloneCameraProperties:(PLCamera *)value
{
[super clonePropertiesOf:(PLObject *)value];
fovRange = value.fovRange;
isFovEnabled = value.isFovEnabled;
fovSensitivity = value.fovSensitivity;
minDistanceToEnableFov = value.minDistanceToEnableFov;
self.fov = value.fov;
}
@end