vector3i_ptr.c file
Functions
- void vec3i_add_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Computes the component-wise sum of two
vector3i. - void vec3i_sub_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Computes the component-wise difference of two
vector3i(a minus b). -
void vec3i_mul_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
int_ t s) - Scales a
vector3iby an integer scalar. -
void vec3i_div_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
int_ t s) - Scales a
vector3iby the inverse of an integer scalar. - void vec3i_mul_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Computes the component-wise product (Hadamard) of two
vector3i. - void vec3i_neg_ptr(vector3i* res, const vector3i* v)
- Negates a
vector3i(multiplies by -1). - void vec3i_abs_ptr(vector3i* res, const vector3i* v)
- Computes the absolute value of each component of a
vector3i. - void vec3i_normalize_ptr(vector3i* res, const vector3i* v)
- Normalizes a
vector3ito approximate unit length. - void vec3i_cross_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Computes the cross-product of two
vector3i. - void vec3i_min_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Computes the component-wise minimum of two
vector3i. - void vec3i_max_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Computes the component-wise maximum of two
vector3i. - void vec3i_sign_ptr(vector3i* res, const vector3i* v)
- Computes the sign of each component of a
vector3i(-1, 0, or 1). -
void vec3i_lerp_ptr(vector3i* res,
const vector3i* a,
const vector3i* b,
const vm_
float_ t t) - Performs linear interpolation between two
vector3i. - void vec3i_clamp_ptr(vector3i* res, const vector3i* v, const vector3i* min, const vector3i* max)
- Clamps each component of a
vector3ibetween corresponding min and max values. -
static auto vm_div_floor3(const vm_
int_ t a, const vm_ int_ t b) -> vm_ int_ t - Floor division toward -inf; returns 0 if
b == 0. -
static auto vm_mod_floor3(const vm_
int_ t a, const vm_ int_ t b) -> vm_ int_ t - Floor modulo matching
vm_.div_ floor3 - void vec3i_div_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Divides two vectors component-wise.
-
void vec3i_add_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
int_ t s) - Adds a scalar to each component.
-
void vec3i_sub_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
int_ t s) - Subtracts a scalar from each component.
- void vec3i_mod_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Component-wise floor modulo of a by b.
- void vec3i_div_floor_ptr(vector3i* res, const vector3i* a, const vector3i* b)
- Component-wise floored division of a by b.
- void vec3i_wrap_ptr(vector3i* res, const vector3i* v, const vector3i* period)
- Wraps each component of v into [0, period).
-
void vec3i_from_vec2i_ptr(vector3i* res,
const vector2i* v,
const vm_
int_ t z) - Builds a vector3i from a vector2i and z.
- void vec3i_xy_ptr(vector2i* res, const vector3i* v)
- Returns the x and y components as a 2D vector.
- void vec3i_normalize_to_vec3_ptr(vector3* res, const vector3i* v)
- Converts to a unit-length vector3.
Function documentation
void vec3i_add_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Computes the component-wise sum of two vector3i.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| a | Pointer to the first vector. |
| b | Pointer to the second vector. |
void vec3i_sub_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Computes the component-wise difference of two vector3i (a minus b).
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| a | Pointer to the first vector. |
| b | Pointer to the second vector. |
void vec3i_mul_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
Scales a vector3i by an integer scalar.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| v | Pointer to the input vector. |
| s | The scalar multiplier. |
void vec3i_div_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
Scales a vector3i by the inverse of an integer scalar.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| v | Pointer to the input vector. |
| s | The scalar divisor. |
If the scalar is zero, stores the zero vector.
void vec3i_mul_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Computes the component-wise product (Hadamard) of two vector3i.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| a | Pointer to the first vector. |
| b | Pointer to the second vector. |
void vec3i_neg_ptr(vector3i* res, const vector3i* v)
Negates a vector3i (multiplies by -1).
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| v | Pointer to the input vector. |
void vec3i_abs_ptr(vector3i* res, const vector3i* v)
Computes the absolute value of each component of a vector3i.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| v | Pointer to the input vector. |
void vec3i_normalize_ptr(vector3i* res, const vector3i* v)
Normalizes a vector3i to approximate unit length.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| v | Pointer to the input vector. |
If the vector length is zero, copies the input vector.
void vec3i_cross_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Computes the cross-product of two vector3i.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| a | Pointer to the first vector. |
| b | Pointer to the second vector. |
void vec3i_min_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Computes the component-wise minimum of two vector3i.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| a | Pointer to the first vector. |
| b | Pointer to the second vector. |
void vec3i_max_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Computes the component-wise maximum of two vector3i.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| a | Pointer to the first vector. |
| b | Pointer to the second vector. |
void vec3i_sign_ptr(vector3i* res, const vector3i* v)
Computes the sign of each component of a vector3i (-1, 0, or 1).
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| v | Pointer to the input vector. |
void vec3i_lerp_ptr(vector3i* res,
const vector3i* a,
const vector3i* b,
const vm_
Performs linear interpolation between two vector3i.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| a | Pointer to the start vector. |
| b | Pointer to the end vector. |
| t | Interpolation factor (typically between 0.0 and 1.0). |
void vec3i_clamp_ptr(vector3i* res, const vector3i* v, const vector3i* min, const vector3i* max)
Clamps each component of a vector3i between corresponding min and max values.
| Parameters | |
|---|---|
| res | Pointer to the vector that will store the result. |
| v | Pointer to the input vector. |
| min | Pointer to the minimum bounds vector. |
| max | Pointer to the maximum bounds vector. |
static vm_
Floor division toward -inf; returns 0 if b == 0.
| Parameters | |
|---|---|
| a | Dividend. |
| b | Divisor. |
| Returns | floor(a / b), or 0 if b is 0. |
static vm_
Floor modulo matching vm_.
| Parameters | |
|---|---|
| a | Dividend. |
| b | Divisor. |
| Returns | Floor modulus. |
void vec3i_div_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Divides two vectors component-wise.
| Parameters | |
|---|---|
| res | Output vector. |
| a | First input vector. |
| b | Second input vector. |
void vec3i_add_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
Adds a scalar to each component.
| Parameters | |
|---|---|
| res | Output vector. |
| v | Input vector. |
| s | Scalar value. |
void vec3i_sub_scalar_ptr(vector3i* res,
const vector3i* v,
const vm_
Subtracts a scalar from each component.
| Parameters | |
|---|---|
| res | Output vector. |
| v | Input vector. |
| s | Scalar value. |
void vec3i_mod_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Component-wise floor modulo of a by b.
| Parameters | |
|---|---|
| res | Output vector. |
| a | First input vector. |
| b | Second input vector. |
void vec3i_div_floor_ptr(vector3i* res, const vector3i* a, const vector3i* b)
Component-wise floored division of a by b.
| Parameters | |
|---|---|
| res | Output vector. |
| a | First input vector. |
| b | Second input vector. |
void vec3i_wrap_ptr(vector3i* res, const vector3i* v, const vector3i* period)
Wraps each component of v into [0, period).
| Parameters | |
|---|---|
| res | Output vector. |
| v | Input vector. |
| period | Wrap period per component. |
void vec3i_xy_ptr(vector2i* res, const vector3i* v)
Returns the x and y components as a 2D vector.
| Parameters | |
|---|---|
| res | Output vector. |
| v | Input vector. |
void vec3i_normalize_to_vec3_ptr(vector3* res, const vector3i* v)
Converts to a unit-length vector3.
| Parameters | |
|---|---|
| res | Output vector. |
| v | Input vector. |