Making chess piece material specular.
Adding new tower models.
New materials
Updated creep model
Creeps are pointing the direction they are walking.
Creeps are pointing the direction they are walking.
Updated creep model.
Added abstract tower behavior, interfaces for tower targeting, damage dealing, etc.
Fixed unity fbx imported, models are no longer rotated -90 on x axis.
Fixing prefab rotation.
Merge branch 'release/v0.2'