Linear interpolation for scrolling keyframes. Keyframe are created on the active action of the materials node tree. TODO: determine correct scroll speed speed units

This commit is contained in:
William Herald Snyder 2022-10-02 18:19:29 -04:00
parent 9a344d0652
commit 188b270ad1
1 changed files with 21 additions and 0 deletions

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@ -177,16 +177,37 @@ to provide an exact emulation"""
material.node_tree.links.new(output.inputs['Surface'], surfaces_output.outputs[0]) material.node_tree.links.new(output.inputs['Surface'], surfaces_output.outputs[0])
# Clear all anims in all cases
if material.node_tree.animation_data:
material.node_tree.animation_data.action.fcurves.clear()
if "SCROLL" in mat_props.rendertype: if "SCROLL" in mat_props.rendertype:
uv_input = material.node_tree.nodes.new("ShaderNodeUVMap") uv_input = material.node_tree.nodes.new("ShaderNodeUVMap")
vector_add = material.node_tree.nodes.new("ShaderNodeVectorMath") vector_add = material.node_tree.nodes.new("ShaderNodeVectorMath")
# Add keyframes
scroll_speed_divisor = 360.0
for i in range(4):
vector_add.inputs[1].default_value[0] = i * mat_props.scroll_speed_u
vector_add.inputs[1].keyframe_insert("default_value", index=0, frame=i * scroll_speed_divisor)
vector_add.inputs[1].default_value[1] = i * mat_props.scroll_speed_v
vector_add.inputs[1].keyframe_insert("default_value", index=1, frame=i * scroll_speed_divisor)
material.node_tree.links.new(vector_add.inputs[0], uv_input.outputs[0]) material.node_tree.links.new(vector_add.inputs[0], uv_input.outputs[0])
for texture_node in texture_input_nodes: for texture_node in texture_input_nodes:
material.node_tree.links.new(texture_node.inputs["Vector"], vector_add.outputs[0]) material.node_tree.links.new(texture_node.inputs["Vector"], vector_add.outputs[0])
# Don't know how to set interpolation when adding keyframes
# so we must do it after the fact
if material.node_tree.animation_data:
for fcurve in material.node_tree.animation_data.action.fcurves:
for kf in fcurve.keyframe_points.values():
kf.interpolation = 'LINEAR'