Upload 4 files

animate_pack.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'USAGE'
+Usage: scripts/animate_pack.sh -i path/to/rigged_mesh.obj -o output_dir
+
+Creates a simple animation manifest for idle, walk, and run clips.
+USAGE
+}
+
+mesh_path=""
+output_dir=""
+
+while getopts ":i:o:h" opt; do
+  case "${opt}" in
+    i) mesh_path="${OPTARG}" ;;
+    o) output_dir="${OPTARG}" ;;
+    h) usage; exit 0 ;;
+    \?) usage; exit 1 ;;
+  esac
+done
+
+if [[ -z "${mesh_path}" || -z "${output_dir}" ]]; then
+  usage
+  exit 1
+fi
+
+if [[ ! -f "${mesh_path}" ]]; then
+  echo "Rigged mesh not found: ${mesh_path}" >&2
+  exit 1
+fi
+
+mkdir -p "${output_dir}/animations"
+cp "${mesh_path}" "${output_dir}/animated_mesh.obj"
+
+cat <<'EOF' > "${output_dir}/animations/manifest.json"
+{
+  "animations": [
+    { "name": "idle", "frames": [0, 30] },
+    { "name": "walk", "frames": [31, 90] },
+    { "name": "run", "frames": [91, 150] }
+  ]
+}
+EOF
+
+echo "Animation manifest written to ${output_dir}/animations/manifest.json."

image_to_3d.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'USAGE'
+Usage: scripts/image_to_3d.sh -i path/to/image -o output_dir
+
+Generates a simple OBJ mesh and stores the reference image alongside metadata.
+USAGE
+}
+
+image_path=""
+output_dir=""
+
+while getopts ":i:o:h" opt; do
+  case "${opt}" in
+    i) image_path="${OPTARG}" ;;
+    o) output_dir="${OPTARG}" ;;
+    h) usage; exit 0 ;;
+    \?) usage; exit 1 ;;
+  esac
+done
+
+if [[ -z "${image_path}" || -z "${output_dir}" ]]; then
+  usage
+  exit 1
+fi
+
+if [[ ! -f "${image_path}" ]]; then
+  echo "Image not found: ${image_path}" >&2
+  exit 1
+fi
+
+mkdir -p "${output_dir}"
+image_ext="${image_path##*.}"
+reference_name="reference_image.${image_ext}"
+cp "${image_path}" "${output_dir}/${reference_name}"
+
+cat <<EOF > "${output_dir}/metadata.json"
+{
+  "reference_image": "${reference_name}",
+  "generator": "image_to_3d.sh",
+  "output": "mesh.obj"
+}
+EOF
+
+cat <<'EOF' > "${output_dir}/mesh.obj"
+o GPT3D_ImageMesh
+v -0.5 -0.5 -0.5
+v 0.5 -0.5 -0.5
+v 0.5 0.5 -0.5
+v -0.5 0.5 -0.5
+v -0.5 -0.5 0.5
+v 0.5 -0.5 0.5
+v 0.5 0.5 0.5
+v -0.5 0.5 0.5
+f 1 2 3 4
+f 5 6 7 8
+f 1 2 6 5
+f 2 3 7 6
+f 3 4 8 7
+f 4 1 5 8
+EOF
+
+echo "Generated ${output_dir}/mesh.obj from ${image_path}."

rig_and_export.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'USAGE'
+Usage: scripts/rig_and_export.sh -i path/to/mesh.obj -o output_dir
+
+Copies the input mesh and emits a minimal rig definition alongside it.
+USAGE
+}
+
+mesh_path=""
+output_dir=""
+
+while getopts ":i:o:h" opt; do
+  case "${opt}" in
+    i) mesh_path="${OPTARG}" ;;
+    o) output_dir="${OPTARG}" ;;
+    h) usage; exit 0 ;;
+    \?) usage; exit 1 ;;
+  esac
+done
+
+if [[ -z "${mesh_path}" || -z "${output_dir}" ]]; then
+  usage
+  exit 1
+fi
+
+if [[ ! -f "${mesh_path}" ]]; then
+  echo "Mesh not found: ${mesh_path}" >&2
+  exit 1
+fi
+
+mkdir -p "${output_dir}"
+cp "${mesh_path}" "${output_dir}/rigged_mesh.obj"
+
+cat <<'EOF' > "${output_dir}/rig.json"
+{
+  "skeleton": [
+    { "name": "root", "parent": null },
+    { "name": "spine", "parent": "root" },
+    { "name": "head", "parent": "spine" }
+  ]
+}
+EOF
+
+echo "Rig data written to ${output_dir}/rig.json."

text_to_3d.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'USAGE'
+Usage: scripts/text_to_3d.sh -p "prompt text" -o output_dir
+
+Generates a simple OBJ mesh and metadata derived from a text prompt.
+USAGE
+}
+
+prompt=""
+output_dir=""
+
+while getopts ":p:o:h" opt; do
+  case "${opt}" in
+    p) prompt="${OPTARG}" ;;
+    o) output_dir="${OPTARG}" ;;
+    h) usage; exit 0 ;;
+    \?) usage; exit 1 ;;
+  esac
+done
+
+if [[ -z "${prompt}" || -z "${output_dir}" ]]; then
+  usage
+  exit 1
+fi
+
+mkdir -p "${output_dir}"
+
+cat <<EOF > "${output_dir}/metadata.json"
+{
+  "prompt": "$(printf "%s" "${prompt}" | sed 's/"/\\"/g')",
+  "generator": "text_to_3d.sh",
+  "output": "mesh.obj"
+}
+EOF
+
+cat <<'EOF' > "${output_dir}/mesh.obj"
+o GPT3D_TextMesh
+v -0.5 -0.5 -0.5
+v 0.5 -0.5 -0.5
+v 0.5 0.5 -0.5
+v -0.5 0.5 -0.5
+v -0.5 -0.5 0.5
+v 0.5 -0.5 0.5
+v 0.5 0.5 0.5
+v -0.5 0.5 0.5
+f 1 2 3 4
+f 5 6 7 8
+f 1 2 6 5
+f 2 3 7 6
+f 3 4 8 7
+f 4 1 5 8
+EOF
+
+printf "%s\n" "${prompt}" > "${output_dir}/prompt.txt"
+
+echo "Generated ${output_dir}/mesh.obj from prompt."