go-glmatrix is a golang version of glMatrix, which is ``designed to perform vector and matrix operations stupidly fast''.
package main import ( "fmt" glm "github.com/technohippy/go-glmatrix" ) func main() { // config rotateQuat := glm.QuatFromValues(1, 2, 3, 4) translateVec3 := glm.Vec3FromValues(1, 2, 3) scale := []float64{4, 5, 6} rotateOrigin := []float64{7, 8, 9} // construct matrix transMat := glm.Mat4Create() glm.Mat4Identity(transMat) glm.Mat4Translate(transMat, transMat, translateVec3) glm.Mat4Translate(transMat, transMat, rotateOrigin) rotateMat := glm.Mat4Create() rotateMat = glm.Mat4FromQuat(rotateMat, rotateQuat) matrix := glm.Mat4Multiply(glm.Mat4Create(), transMat, rotateMat) glm.Mat4Scale(matrix, matrix, scale) negativeOrigin := glm.Vec3Negate(glm.Vec3Create(), rotateOrigin) glm.Mat4Translate(matrix, matrix, negativeOrigin) // transform position position := glm.Vec3FromValues(10, 20, 30) glm.Vec3TransformMat4(position, position, matrix) fmt.Printf(glm.Vec3Str(position)) // => vec3(1280, -290, -42) }MIT
