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record TIVector4
Unit
Neslib.FastMath
Declaration
type TIVector4 = record
Description
A 4-dimensional vector that uses integer components instead of floating-point components.
Overview
Fields
X: Integer |
Y: Integer |
Z: Integer |
W: Integer |
R: Integer |
G: Integer |
B: Integer |
A: Integer |
S: Integer |
T: Integer |
P: Integer |
Q: Integer |
C: array [0..3] of Integer |
Methods
Properties
property Components[constAIndex:Integer]: Integer read GetComponent write SetComponent; |
Description
Fields
X: Integer |
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X, Y, Z and W components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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Y: Integer |
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X, Y, Z and W components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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Z: Integer |
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X, Y, Z and W components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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W: Integer |
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X, Y, Z and W components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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R: Integer |
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Red, Green, Blue and Alpha components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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G: Integer |
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Red, Green, Blue and Alpha components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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B: Integer |
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Red, Green, Blue and Alpha components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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A: Integer |
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Red, Green, Blue and Alpha components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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S: Integer |
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S, T, P and Q components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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T: Integer |
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S, T, P and Q components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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P: Integer |
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S, T, P and Q components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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Q: Integer |
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S, T, P and Q components of the vector. Aliases for C[0], C[1], C[2] and C[3].
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C: array [0..3] of Integer |
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The four components of the vector.
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Methods
procedure Init; overload; inline; |
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Sets the four elements (X, Y, Z and W) to 0.
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procedure Init(const A: Integer); overload; inline; |
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Sets the four elements (X, Y, Z and W) to A.
Parameters
- A
- the value to set the three elements to.
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procedure Init(const A1, A2, A3, A4: Integer); overload; inline; |
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Sets the four elements (X, Y, Z and W) to A1, A2, A3 and A4 respectively.
Parameters
- A1
- the value to set the first element to.
- A2
- the value to set the second element to.
- A3
- the value to set the third element to.
- A4
- the value to set the fourth element to.
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class operator Equal(const A, B: TIVector4): Boolean; inline; |
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Checks two vectors for equality.
Returns
True if the two vectors match each other. |
class operator NotEqual(const A, B: TIVector4): Boolean; inline; |
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Checks two vectors for inequality.
Returns
True if the two vectors are not equal. |
class operator Negative(const A: TIVector4): TIVector4; |
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Negates a vector.
Returns
The negative value of a vector (eg. (-A.X, -A.Y, -A.Z, -A.W)) |
class operator Add(const A: TIVector4; const B: Integer): TIVector4; |
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Adds a scalar value to a vector.
Returns
(A.X + B, A.Y + B, A.Z + B, A.W + B) |
class operator Add(const A: Integer; const B: TIVector4): TIVector4; |
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Adds a vector to a scalar value.
Returns
(A + B.X, A + B.Y, A + B.Z, A + B.W) |
class operator Add(const A, B: TIVector4): TIVector4; |
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Adds two vectors.
Returns
(A.X + B.X, A.Y + B.Y, A.Z + B.Z, A.W + B.W) |
class operator Subtract(const A: TIVector4; const B: Integer): TIVector4; |
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Subtracts a scalar value from a vector.
Returns
(A.X - B, A.Y - B, A.Z - B, A.W - B) |
class operator Subtract(const A: Integer; const B: TIVector4): TIVector4; |
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Subtracts a vector from a scalar value.
Returns
(A - B.X, A - B.Y, A - B.Z, A - B.W) |
class operator Subtract(const A, B: TIVector4): TIVector4; |
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Subtracts two vectors.
Returns
(A.X - B.X, A.Y - B.Y, A.Z - B.Z, A.W - B.W) |
class operator Multiply(const A: TIVector4; const B: Integer): TIVector4; |
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Multiplies a vector with a scalar value.
Returns
(A.X * B, A.Y * B, A.Z * B, A.W * B) |
class operator Multiply(const A: Integer; const B: TIVector4): TIVector4; |
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Multiplies a scalar value with a vector.
Returns
(A * B.X, A * B.Y, A * B.Z, A * B.W) |
class operator Multiply(const A, B: TIVector4): TIVector4; |
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Multiplies two vectors component-wise.
Returns
(A.X * B.X, A.Y * B.Y, A.Z * B.Z, A.W * B.W) |
class operator IntDivide(const A: TIVector4; const B: Integer): TIVector4; |
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Divides a vector by a scalar value.
Returns
(A.X div B, A.Y div B, A.Z div B, A.W div B) |
class operator IntDivide(const A: Integer; const B: TIVector4): TIVector4; |
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Divides a scalar value by a vector.
Returns
(A div B.X, A div B.Y, A div B.Z, A div B.W) |
class operator IntDivide(const A, B: TIVector4): TIVector4; |
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Divides two vectors component-wise.
Returns
(A.X div B.X, A.Y div B.Y, A.Z div B.Z, A.W div B.W) |
function IsZero: Boolean; inline; |
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Whether this is a zero vector.
Returns
True if X, Y, Z and W are 0 |
Properties
property Components[constAIndex:Integer]: Integer read GetComponent write SetComponent; |
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Returns the components of the vector. This is identical to accessing the C-field, but this property can be used as a default array property.
Parameters
- AIndex
- index of the component to return (0-3). Range is checked with an assertion.
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