README
¶
raymath 
Some useful functions to work with Vector2, Vector3, Matrix and Quaternions.
Documentation
¶
Overview ¶
Package raymath - Some useful functions to work with Vector2, Vector3, Matrix and Quaternions
Index ¶
- func Clamp(value, min, max float32) float32
- func Mat2MultiplyVector2(matrix rl.Mat2, vector rl.Vector2) rl.Vector2
- func Mat2Radians(radians float32) rl.Mat2
- func Mat2Set(matrix *rl.Mat2, radians float32)
- func Mat2Transpose(matrix rl.Mat2) rl.Mat2
- func MatrixAdd(left, right rl.Matrix) rl.Matrix
- func MatrixDeterminant(mat rl.Matrix) float32
- func MatrixFrustum(left, right, bottom, top, near, far float32) rl.Matrix
- func MatrixIdentity() rl.Matrix
- func MatrixInvert(mat *rl.Matrix)
- func MatrixLookAt(eye, target, up rl.Vector3) rl.Matrix
- func MatrixMultiply(left, right rl.Matrix) rl.Matrix
- func MatrixNormalize(mat *rl.Matrix)
- func MatrixOrtho(left, right, bottom, top, near, far float32) rl.Matrix
- func MatrixPerspective(fovy, aspect, near, far float32) rl.Matrix
- func MatrixRotate(axis rl.Vector3, angle float32) rl.Matrix
- func MatrixRotateX(angle float32) rl.Matrix
- func MatrixRotateY(angle float32) rl.Matrix
- func MatrixRotateZ(angle float32) rl.Matrix
- func MatrixScale(x, y, z float32) rl.Matrix
- func MatrixSubtract(left, right rl.Matrix) rl.Matrix
- func MatrixTrace(mat rl.Matrix) float32
- func MatrixTranslate(x, y, z float32) rl.Matrix
- func MatrixTranspose(mat *rl.Matrix)
- func QuaternionFromAxisAngle(axis rl.Vector3, angle float32) rl.Quaternion
- func QuaternionFromMatrix(matrix rl.Matrix) rl.Quaternion
- func QuaternionInvert(quat *rl.Quaternion)
- func QuaternionLength(quat rl.Quaternion) float32
- func QuaternionMultiply(q1, q2 rl.Quaternion) rl.Quaternion
- func QuaternionNormalize(q *rl.Quaternion)
- func QuaternionSlerp(q1, q2 rl.Quaternion, amount float32) rl.Quaternion
- func QuaternionToAxisAngle(q rl.Quaternion, outAxis *rl.Vector3, outAngle *float32)
- func QuaternionToMatrix(q rl.Quaternion) rl.Matrix
- func QuaternionTransform(q *rl.Quaternion, mat rl.Matrix)
- func Vector2Add(v1, v2 rl.Vector2) rl.Vector2
- func Vector2Angle(v1, v2 rl.Vector2) float32
- func Vector2Cross(value float32, vector rl.Vector2) rl.Vector2
- func Vector2CrossProduct(v1, v2 rl.Vector2) float32
- func Vector2Distance(v1, v2 rl.Vector2) float32
- func Vector2Divide(v *rl.Vector2, div float32)
- func Vector2DotProduct(v1, v2 rl.Vector2) float32
- func Vector2LenSqr(vector rl.Vector2) float32
- func Vector2Length(v rl.Vector2) float32
- func Vector2Negate(v *rl.Vector2)
- func Vector2Normalize(v *rl.Vector2)
- func Vector2One() rl.Vector2
- func Vector2Scale(v *rl.Vector2, scale float32)
- func Vector2Subtract(v1, v2 rl.Vector2) rl.Vector2
- func Vector2Zero() rl.Vector2
- func Vector3Add(v1, v2 rl.Vector3) rl.Vector3
- func Vector3Barycenter(p, a, b, c rl.Vector3) rl.Vector3
- func Vector3CrossProduct(v1, v2 rl.Vector3) rl.Vector3
- func Vector3Distance(v1, v2 rl.Vector3) float32
- func Vector3DotProduct(v1, v2 rl.Vector3) float32
- func Vector3Length(v rl.Vector3) float32
- func Vector3Lerp(v1, v2 rl.Vector3, amount float32) rl.Vector3
- func Vector3Max(vec1, vec2 rl.Vector3) rl.Vector3
- func Vector3Min(vec1, vec2 rl.Vector3) rl.Vector3
- func Vector3Multiply(v rl.Vector3, scalar float32) rl.Vector3
- func Vector3MultiplyV(v1, v2 rl.Vector3) rl.Vector3
- func Vector3Negate(v *rl.Vector3)
- func Vector3Normalize(v *rl.Vector3)
- func Vector3One() rl.Vector3
- func Vector3Perpendicular(v rl.Vector3) rl.Vector3
- func Vector3Reflect(vector, normal rl.Vector3) rl.Vector3
- func Vector3Scale(v *rl.Vector3, scale float32)
- func Vector3Subtract(v1, v2 rl.Vector3) rl.Vector3
- func Vector3Transform(v *rl.Vector3, mat rl.Matrix)
- func Vector3Zero() rl.Vector3
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func Mat2MultiplyVector2 ¶
func Mat2MultiplyVector2(matrix rl.Mat2, vector rl.Vector2) rl.Vector2
Mat2MultiplyVector2 - Multiplies a vector by a matrix 2x2
func Mat2Radians ¶
func Mat2Radians(radians float32) rl.Mat2
Mat2Radians - Creates a matrix 2x2 from a given radians value
func Mat2Set ¶
func Mat2Set(matrix *rl.Mat2, radians float32)
Mat2Set - Set values from radians to a created matrix 2x2
func Mat2Transpose ¶
func Mat2Transpose(matrix rl.Mat2) rl.Mat2
Mat2Transpose - Returns the transpose of a given matrix 2x2
func MatrixDeterminant ¶
func MatrixDeterminant(mat rl.Matrix) float32
MatrixDeterminant - Compute matrix determinant
func MatrixFrustum ¶
func MatrixFrustum(left, right, bottom, top, near, far float32) rl.Matrix
MatrixFrustum - Returns perspective projection matrix
func MatrixLookAt ¶
func MatrixLookAt(eye, target, up rl.Vector3) rl.Matrix
MatrixLookAt - Returns camera look-at matrix (view matrix)
func MatrixMultiply ¶
func MatrixMultiply(left, right rl.Matrix) rl.Matrix
MatrixMultiply - Returns two matrix multiplication
func MatrixNormalize ¶
func MatrixNormalize(mat *rl.Matrix)
MatrixNormalize - Normalize provided matrix
func MatrixOrtho ¶
func MatrixOrtho(left, right, bottom, top, near, far float32) rl.Matrix
MatrixOrtho - Returns orthographic projection matrix
func MatrixPerspective ¶
func MatrixPerspective(fovy, aspect, near, far float32) rl.Matrix
MatrixPerspective - Returns perspective projection matrix
func MatrixRotate ¶
func MatrixRotate(axis rl.Vector3, angle float32) rl.Matrix
MatrixRotate - Returns rotation matrix for an angle around an specified axis (angle in radians)
func MatrixRotateX ¶
func MatrixRotateX(angle float32) rl.Matrix
MatrixRotateX - Returns x-rotation matrix (angle in radians)
func MatrixRotateY ¶
func MatrixRotateY(angle float32) rl.Matrix
MatrixRotateY - Returns y-rotation matrix (angle in radians)
func MatrixRotateZ ¶
func MatrixRotateZ(angle float32) rl.Matrix
MatrixRotateZ - Returns z-rotation matrix (angle in radians)
func MatrixSubtract ¶
func MatrixSubtract(left, right rl.Matrix) rl.Matrix
MatrixSubtract - Subtract two matrices (left - right)
func MatrixTrace ¶
func MatrixTrace(mat rl.Matrix) float32
MatrixTrace - Returns the trace of the matrix (sum of the values along the diagonal)
func MatrixTranslate ¶
func MatrixTranslate(x, y, z float32) rl.Matrix
MatrixTranslate - Returns translation matrix
func MatrixTranspose ¶
func MatrixTranspose(mat *rl.Matrix)
MatrixTranspose - Transposes provided matrix
func QuaternionFromAxisAngle ¶
func QuaternionFromAxisAngle(axis rl.Vector3, angle float32) rl.Quaternion
QuaternionFromAxisAngle - Returns rotation quaternion for an angle and axis
func QuaternionFromMatrix ¶
func QuaternionFromMatrix(matrix rl.Matrix) rl.Quaternion
QuaternionFromMatrix - Returns a quaternion for a given rotation matrix
func QuaternionInvert ¶
func QuaternionInvert(quat *rl.Quaternion)
QuaternionInvert - Invert provided quaternion
func QuaternionLength ¶
func QuaternionLength(quat rl.Quaternion) float32
QuaternionLength - Compute the length of a quaternion
func QuaternionMultiply ¶
func QuaternionMultiply(q1, q2 rl.Quaternion) rl.Quaternion
QuaternionMultiply - Calculate two quaternion multiplication
func QuaternionNormalize ¶
func QuaternionNormalize(q *rl.Quaternion)
QuaternionNormalize - Normalize provided quaternion
func QuaternionSlerp ¶
func QuaternionSlerp(q1, q2 rl.Quaternion, amount float32) rl.Quaternion
QuaternionSlerp - Calculates spherical linear interpolation between two quaternions
func QuaternionToAxisAngle ¶
func QuaternionToAxisAngle(q rl.Quaternion, outAxis *rl.Vector3, outAngle *float32)
QuaternionToAxisAngle - Returns the rotation angle and axis for a given quaternion
func QuaternionToMatrix ¶
func QuaternionToMatrix(q rl.Quaternion) rl.Matrix
QuaternionToMatrix - Returns a matrix for a given quaternion
func QuaternionTransform ¶
func QuaternionTransform(q *rl.Quaternion, mat rl.Matrix)
QuaternionTransform - Transform a quaternion given a transformation matrix
func Vector2Add ¶
func Vector2Add(v1, v2 rl.Vector2) rl.Vector2
Vector2Add - Add two vectors (v1 + v2)
func Vector2Angle ¶
func Vector2Angle(v1, v2 rl.Vector2) float32
Vector2Angle - Calculate angle between two vectors in X-axis
func Vector2Cross ¶
func Vector2Cross(value float32, vector rl.Vector2) rl.Vector2
Vector2Cross - Calculate the cross product of a vector and a value
func Vector2CrossProduct ¶
func Vector2CrossProduct(v1, v2 rl.Vector2) float32
Vector2CrossProduct - Calculate two vectors cross product
func Vector2Distance ¶
func Vector2Distance(v1, v2 rl.Vector2) float32
Vector2Distance - Calculate distance between two vectors
func Vector2Divide ¶
func Vector2Divide(v *rl.Vector2, div float32)
Vector2Divide - Divide vector by a float value
func Vector2DotProduct ¶
func Vector2DotProduct(v1, v2 rl.Vector2) float32
Vector2DotProduct - Calculate two vectors dot product
func Vector2LenSqr ¶
func Vector2LenSqr(vector rl.Vector2) float32
Vector2LenSqr - Returns the len square root of a vector
func Vector2Length ¶
func Vector2Length(v rl.Vector2) float32
Vector2Length - Calculate vector length
func Vector2Normalize ¶
func Vector2Normalize(v *rl.Vector2)
Vector2Normalize - Normalize provided vector
func Vector2Scale ¶
func Vector2Scale(v *rl.Vector2, scale float32)
Vector2Scale - Scale vector (multiply by value)
func Vector2Subtract ¶
func Vector2Subtract(v1, v2 rl.Vector2) rl.Vector2
Vector2Subtract - Subtract two vectors (v1 - v2)
func Vector3Barycenter ¶
func Vector3Barycenter(p, a, b, c rl.Vector3) rl.Vector3
Vector3Barycenter - Barycenter coords for p in triangle abc
func Vector3CrossProduct ¶
func Vector3CrossProduct(v1, v2 rl.Vector3) rl.Vector3
Vector3CrossProduct - Calculate two vectors cross product
func Vector3Distance ¶
func Vector3Distance(v1, v2 rl.Vector3) float32
Vector3Distance - Calculate distance between two vectors
func Vector3DotProduct ¶
func Vector3DotProduct(v1, v2 rl.Vector3) float32
Vector3DotProduct - Calculate two vectors dot product
func Vector3Length ¶
func Vector3Length(v rl.Vector3) float32
Vector3Length - Calculate vector length
func Vector3Lerp ¶
func Vector3Lerp(v1, v2 rl.Vector3, amount float32) rl.Vector3
Vector3Lerp - Calculate linear interpolation between two vectors
func Vector3Max ¶
func Vector3Max(vec1, vec2 rl.Vector3) rl.Vector3
Vector3Max - Return max value for each pair of components
func Vector3Min ¶
func Vector3Min(vec1, vec2 rl.Vector3) rl.Vector3
Vector3Min - Return min value for each pair of components
func Vector3Multiply ¶
func Vector3Multiply(v rl.Vector3, scalar float32) rl.Vector3
Vector3Multiply - Multiply vector by scalar
func Vector3MultiplyV ¶
func Vector3MultiplyV(v1, v2 rl.Vector3) rl.Vector3
Vector3MultiplyV - Multiply vector by vector
func Vector3Negate ¶
func Vector3Negate(v *rl.Vector3)
Vector3Negate - Negate provided vector (invert direction)
func Vector3Normalize ¶
func Vector3Normalize(v *rl.Vector3)
Vector3Normalize - Normalize provided vector
func Vector3Perpendicular ¶
func Vector3Perpendicular(v rl.Vector3) rl.Vector3
Vector3Perpendicular - Calculate one vector perpendicular vector
func Vector3Reflect ¶
func Vector3Reflect(vector, normal rl.Vector3) rl.Vector3
Vector3Reflect - Calculate reflected vector to normal
func Vector3Scale ¶
func Vector3Scale(v *rl.Vector3, scale float32)
Vector3Scale - Scale provided vector
func Vector3Subtract ¶
func Vector3Subtract(v1, v2 rl.Vector3) rl.Vector3
Vector3Subtract - Subtract two vectors
func Vector3Transform ¶
func Vector3Transform(v *rl.Vector3, mat rl.Matrix)
Vector3Transform - Transforms a Vector3 by a given Matrix
Types ¶
This section is empty.
Source Files