diff options
Diffstat (limited to 'Spear/Math/Vector')
-rw-r--r-- | Spear/Math/Vector/Vector.hs (renamed from Spear/Math/Vector/Class.hs) | 20 | ||||
-rw-r--r-- | Spear/Math/Vector/Vector2.hs | 16 | ||||
-rw-r--r-- | Spear/Math/Vector/Vector3.hs | 8 | ||||
-rw-r--r-- | Spear/Math/Vector/Vector4.hs | 8 |
4 files changed, 22 insertions, 30 deletions
diff --git a/Spear/Math/Vector/Class.hs b/Spear/Math/Vector/Vector.hs index 19ddfac..35b04e2 100644 --- a/Spear/Math/Vector/Class.hs +++ b/Spear/Math/Vector/Vector.hs | |||
@@ -1,10 +1,10 @@ | |||
1 | module Spear.Math.Vector.Class | 1 | module Spear.Math.Vector.Vector |
2 | where | 2 | where |
3 | 3 | ||
4 | class (Fractional a, Ord a) => VectorClass a where | 4 | class (Fractional a, Ord a) => Vector a where |
5 | -- | Create a vector from the given list. | 5 | -- | Create a vector from the given list. |
6 | fromList :: [Float] -> a | 6 | fromList :: [Float] -> a |
7 | 7 | ||
8 | -- | Return the vector's x coordinate. | 8 | -- | Return the vector's x coordinate. |
9 | x :: a -> Float | 9 | x :: a -> Float |
10 | x _ = 0 | 10 | x _ = 0 |
@@ -23,21 +23,21 @@ class (Fractional a, Ord a) => VectorClass a where | |||
23 | 23 | ||
24 | -- | Return the vector's ith coordinate. | 24 | -- | Return the vector's ith coordinate. |
25 | (!) :: a -> Int -> Float | 25 | (!) :: a -> Int -> Float |
26 | 26 | ||
27 | -- | Compute the given vectors' dot product. | 27 | -- | Compute the given vectors' dot product. |
28 | dot :: a -> a -> Float | 28 | dot :: a -> a -> Float |
29 | 29 | ||
30 | -- | Compute the given vector's squared norm. | 30 | -- | Compute the given vector's squared norm. |
31 | normSq :: a -> Float | 31 | normSq :: a -> Float |
32 | 32 | ||
33 | -- | Compute the given vector's norm. | 33 | -- | Compute the given vector's norm. |
34 | norm :: a -> Float | 34 | norm :: a -> Float |
35 | 35 | ||
36 | -- | Multiply the given vector with the given scalar. | 36 | -- | Multiply the given vector with the given scalar. |
37 | scale :: Float -> a -> a | 37 | scale :: Float -> a -> a |
38 | 38 | ||
39 | -- | Negate the given vector. | 39 | -- | Negate the given vector. |
40 | neg :: a -> a | 40 | neg :: a -> a |
41 | 41 | ||
42 | -- | Normalise the given vector. | 42 | -- | Normalise the given vector. |
43 | normalise :: a -> a \ No newline at end of file | 43 | normalise :: a -> a |
diff --git a/Spear/Math/Vector/Vector2.hs b/Spear/Math/Vector/Vector2.hs index dfb4fb9..5bbb632 100644 --- a/Spear/Math/Vector/Vector2.hs +++ b/Spear/Math/Vector/Vector2.hs | |||
@@ -14,10 +14,10 @@ module Spear.Math.Vector.Vector2 | |||
14 | ) | 14 | ) |
15 | where | 15 | where |
16 | 16 | ||
17 | import Spear.Math.Vector.Class | 17 | import Spear.Math.Vector.Vector |
18 | 18 | ||
19 | import Foreign.C.Types (CFloat) | 19 | import Foreign.C.Types (CFloat) |
20 | import Foreign.Storable | 20 | import Foreign.Storable |
21 | 21 | ||
22 | type Right2 = Vector2 | 22 | type Right2 = Vector2 |
23 | type Up2 = Vector2 | 23 | type Up2 = Vector2 |
@@ -50,7 +50,7 @@ instance Ord Vector2 where | |||
50 | min (Vector2 ax ay) (Vector2 bx by) = Vector2 (Prelude.min ax bx) (Prelude.min ay by) | 50 | min (Vector2 ax ay) (Vector2 bx by) = Vector2 (Prelude.min ax bx) (Prelude.min ay by) |
51 | 51 | ||
52 | 52 | ||
53 | instance VectorClass Vector2 where | 53 | instance Vector Vector2 where |
54 | {-# INLINABLE fromList #-} | 54 | {-# INLINABLE fromList #-} |
55 | fromList (ax:ay:_) = Vector2 ax ay | 55 | fromList (ax:ay:_) = Vector2 ax ay |
56 | 56 | ||
@@ -104,27 +104,19 @@ instance Storable Vector2 where | |||
104 | pokeByteOff ptr sizeFloat ay | 104 | pokeByteOff ptr sizeFloat ay |
105 | 105 | ||
106 | 106 | ||
107 | -- | Get the vector's x coordinate. | ||
108 | |||
109 | |||
110 | |||
111 | -- | Unit vector along the X axis. | 107 | -- | Unit vector along the X axis. |
112 | unitx2 = Vector2 1 0 | 108 | unitx2 = Vector2 1 0 |
113 | 109 | ||
114 | |||
115 | -- | Unit vector along the Y axis. | 110 | -- | Unit vector along the Y axis. |
116 | unity2 = Vector2 0 1 | 111 | unity2 = Vector2 0 1 |
117 | 112 | ||
118 | |||
119 | -- | Zero vector. | 113 | -- | Zero vector. |
120 | zero2 = Vector2 0 0 | 114 | zero2 = Vector2 0 0 |
121 | 115 | ||
122 | |||
123 | -- | Create a vector from the given values. | 116 | -- | Create a vector from the given values. |
124 | vec2 :: Float -> Float -> Vector2 | 117 | vec2 :: Float -> Float -> Vector2 |
125 | vec2 ax ay = Vector2 ax ay | 118 | vec2 ax ay = Vector2 ax ay |
126 | 119 | ||
127 | |||
128 | -- | Compute a vector perpendicular to the given one, satisfying: | 120 | -- | Compute a vector perpendicular to the given one, satisfying: |
129 | -- | 121 | -- |
130 | -- perp (Vector2 0 1) = Vector2 1 0 | 122 | -- perp (Vector2 0 1) = Vector2 1 0 |
diff --git a/Spear/Math/Vector/Vector3.hs b/Spear/Math/Vector/Vector3.hs index 429df0f..82deba2 100644 --- a/Spear/Math/Vector/Vector3.hs +++ b/Spear/Math/Vector/Vector3.hs | |||
@@ -18,10 +18,10 @@ module Spear.Math.Vector.Vector3 | |||
18 | where | 18 | where |
19 | 19 | ||
20 | 20 | ||
21 | import Spear.Math.Vector.Class | 21 | import Spear.Math.Vector.Vector |
22 | 22 | ||
23 | import Foreign.C.Types (CFloat) | 23 | import Foreign.C.Types (CFloat) |
24 | import Foreign.Storable | 24 | import Foreign.Storable |
25 | 25 | ||
26 | type Right3 = Vector3 | 26 | type Right3 = Vector3 |
27 | type Up3 = Vector3 | 27 | type Up3 = Vector3 |
@@ -76,7 +76,7 @@ instance Ord Vector3 where | |||
76 | min (Vector3 ax ay az) (Vector3 bx by bz) = Vector3 (Prelude.min ax bx) (Prelude.min ay by) (Prelude.min az bz) | 76 | min (Vector3 ax ay az) (Vector3 bx by bz) = Vector3 (Prelude.min ax bx) (Prelude.min ay by) (Prelude.min az bz) |
77 | 77 | ||
78 | 78 | ||
79 | instance VectorClass Vector3 where | 79 | instance Vector Vector3 where |
80 | {-# INLINABLE fromList #-} | 80 | {-# INLINABLE fromList #-} |
81 | fromList (ax:ay:az:_) = Vector3 ax ay az | 81 | fromList (ax:ay:az:_) = Vector3 ax ay az |
82 | 82 | ||
diff --git a/Spear/Math/Vector/Vector4.hs b/Spear/Math/Vector/Vector4.hs index 4314b51..325eefc 100644 --- a/Spear/Math/Vector/Vector4.hs +++ b/Spear/Math/Vector/Vector4.hs | |||
@@ -12,10 +12,10 @@ module Spear.Math.Vector.Vector4 | |||
12 | where | 12 | where |
13 | 13 | ||
14 | 14 | ||
15 | import Spear.Math.Vector.Class | 15 | import Spear.Math.Vector.Vector |
16 | 16 | ||
17 | import Foreign.C.Types (CFloat) | 17 | import Foreign.C.Types (CFloat) |
18 | import Foreign.Storable | 18 | import Foreign.Storable |
19 | 19 | ||
20 | 20 | ||
21 | -- | Represents a vector in 3D. | 21 | -- | Represents a vector in 3D. |
@@ -73,7 +73,7 @@ instance Ord Vector4 where | |||
73 | Vector4 (Prelude.max ax bx) (Prelude.max ay by) (Prelude.max az bz) (Prelude.min aw bw) | 73 | Vector4 (Prelude.max ax bx) (Prelude.max ay by) (Prelude.max az bz) (Prelude.min aw bw) |
74 | 74 | ||
75 | 75 | ||
76 | instance VectorClass Vector4 where | 76 | instance Vector Vector4 where |
77 | {-# INLINABLE fromList #-} | 77 | {-# INLINABLE fromList #-} |
78 | fromList (ax:ay:az:aw:_) = Vector4 ax ay az aw | 78 | fromList (ax:ay:az:aw:_) = Vector4 ax ay az aw |
79 | 79 | ||