prosperon/source/engine/transform.c

#include "transform.h"
#include <string.h>

struct mTransform MakeTransform(mfloat_t pos[3], mfloat_t rotation[4], float scale) {
  struct mTransform newT;
  memcpy(newT.position, pos, sizeof(*pos));
  memcpy(newT.rotation, rotation, sizeof(*rotation));
  newT.scale = scale;
  return newT;
}

mfloat_t *trans_forward(mfloat_t *res,
                        const struct mTransform *const trans) {
  // YughLog(0, SDL_LOG_PRIORITY_WARN, "Rotation is %f", trans->rotation[0]);
  return vec3_rotate_quat(res, FORWARD, trans->rotation);
}

mfloat_t *trans_back(mfloat_t *res, const struct mTransform *trans) {
  return vec3_rotate_quat(res, BACK, trans->rotation);
}

mfloat_t *trans_up(mfloat_t *res, const struct mTransform *trans) {
  return vec3_rotate_quat(res, UP, trans->rotation);
}

mfloat_t *trans_down(mfloat_t *res, const struct mTransform *trans) {
  return vec3_rotate_quat(res, DOWN, trans->rotation);
}

mfloat_t *trans_right(mfloat_t *res, const struct mTransform *trans) {
  return vec3_rotate_quat(res, RIGHT, trans->rotation);
}

mfloat_t *trans_left(mfloat_t *res, const struct mTransform *trans) {
  return vec3_rotate_quat(res, LEFT, trans->rotation);
}

#include "nuke.h"

void trans_drawgui(struct mTransform *T) {
  nuke_property_float3("Position", -1000.f, T->position, 1000.f, 1.f, 1.f);
  nuke_property_float3("Rotation", 0.f, T->rotation, 360.f, 1.f, 0.1f);
  nuke_property_float("Scale", 0.f, &T->scale, 1000.f, 0.1f, 0.1f);
}