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Merged
joyhughes merged 1 commit into from
Dec 7, 2025
Merged

Rotate or invert target colors #285

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44 changes: 43 additions & 1 deletion Lux/lux_files/CA_choices.json
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Original file line number Diff line number Diff line change
Expand Up @@ -443,6 +443,30 @@
"default_value": 0.0,
"step": 1.0
},
{
"name": "invert_target_toggle",
"type": "random_toggle",
"p": { "functions": [ "autoplay_intensity", "autoplay_probability" ] },
"enabled": { "functions": [ "autoplay_switch" ] }
},
{
"name": "invert_target_switch",
"type": "switch_fn",
"label": "Invert Target",
"description": "Invert the colors of the target image.",
"default_value": false,
"value": { "functions": [ "invert_target_toggle" ] }
},
{
"name": "target_color_angle_slider",
"type": "slider_float",
"label": "Target Color Angle",
"description": "Angle to rotate the target color (degrees).",
"min": -180.0,
"max": 180.0,
"default_value": 0.0,
"step": 1.0
},
{
"name": "warp_menu_generator",
"type": "generator_int",
Expand Down Expand Up @@ -506,6 +530,8 @@
"bright_range": { "functions": [ "bright_block_slider" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand All @@ -519,6 +545,8 @@
"edge_block": { "functions": [ "edge_block_switch" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand All @@ -536,6 +564,8 @@
"edge_block": { "functions": [ "edge_block_switch" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand All @@ -552,6 +582,8 @@
"edge_block": { "functions": [ "edge_block_switch" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand All @@ -568,6 +600,8 @@
"bright_range": { "functions": [ "bright_block_slider" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand Down Expand Up @@ -604,6 +638,8 @@
"bright_range": { "functions": [ "bright_block_slider" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand All @@ -622,6 +658,8 @@
"bright_range": { "functions": [ "bright_block_slider" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand All @@ -642,6 +680,8 @@
"bright_range": { "functions": [ "bright_block_slider" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand All @@ -662,6 +702,8 @@
"bright_range": { "functions": [ "bright_block_slider" ] },
"targeted": { "functions": [ "target_switch" ] },
"target_name": {"functions": [ "targ_image_menu" ] },
"invert_target": { "functions": [ "invert_target_switch" ] },
"target_color_angle": { "functions": [ "target_color_angle_slider" ] },
"warp_name": "Target Warp",
"rule":
{
Expand Down Expand Up @@ -756,7 +798,7 @@
},
{
"name": "targ_image_group",
"widgets": [ "targ_image_menu", "warp_menu" ]
"widgets": [ "targ_image_menu", "invert_target_switch", "target_color_angle_slider", "warp_menu" ]
},
{
"name": "flip_group",
Expand Down
14 changes: 14 additions & 0 deletions Lux/lux_react/src/lux.js
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19 changes: 16 additions & 3 deletions Lux/src/life.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -94,16 +94,17 @@ template< class T > void CA< T >::run_rule() {
// future - implement multiresolution rule on mip-map
// Uses toroidal boundary conditions
template< class T > void CA< T >::operator() ( any_buffer_pair_ptr& buf, element_context& context ) {

if( ca_frame == 0 ) {
ca_frame++;
return;
}
p( context ); targeted( context );
bright_block( context ); bright_range( context );
edge_block( context ); alpha_block( context );
invert_target( context ); target_color_angle( context );
target_name( context ); warp_name( context );
//std::cout << "CA: bright_block " << *bright_block << " bright_min " << (*bright_range).min << " bright_max " << (*bright_range).max << std::endl;
// convert target color angle to byte rotation (0-255) shifted to hue byte
unsigned int target_byte_rotation = static_cast<unsigned int>(static_cast<int>( std::floor( *target_color_angle / 360.0f * 256.0f + 0.5f ) ) % 256) << 16;
hood = rule.init( context );
if ( std::holds_alternative< std::shared_ptr< buffer_pair< T > > >( buf ) ) {
auto buf_ptr = std::get< std::shared_ptr< buffer_pair< T > > >( buf );
Expand Down Expand Up @@ -224,7 +225,10 @@ template< class T > void CA< T >::operator() ( any_buffer_pair_ptr& buf, element
ty = y * tdm1.y / dm1.y;
if( use_wf ) { tar_it = tar + *( wf + ty * tar_dim.x + tx ); }
else { tar_it = tar + ty * tar_dim.x + tx; }
if( manhattan( *tar_it, result[0] ) < manhattan( *tar_it, MM ) ) *out_it = result[0];
ucolor t = *tar_it;
if( *invert_target ) invert( t );
if( target_byte_rotation != 0 ) t = hsv_to_rgb( rotate_hue( rgb_to_hsv( t ), target_byte_rotation ) );
if( manhattan( t, result[0] ) < manhattan( t, MM ) ) *out_it = result[0];
else *out_it = MM;
}
else *out_it = result[0]; // set output
Expand Down Expand Up @@ -331,6 +335,15 @@ template< class T > void CA< T >::operator() ( any_buffer_pair_ptr& buf, element

run_rule(); // apply rule
if( use_target ) {
if( *invert_target ) {
invert( TUL ); invert( TUR ); invert( TLL ); invert( TLR );
}
if( target_byte_rotation != 0 ) {
TUL = hsv_to_rgb( rotate_hue( rgb_to_hsv( TUL ), target_byte_rotation ) );
TUR = hsv_to_rgb( rotate_hue( rgb_to_hsv( TUR ), target_byte_rotation ) );
TLL = hsv_to_rgb( rotate_hue( rgb_to_hsv( TLL ), target_byte_rotation ) );
TLR = hsv_to_rgb( rotate_hue( rgb_to_hsv( TLR ), target_byte_rotation ) );
}
if( manhattan( RUL, TUL ) + manhattan( RUR, TUR ) + manhattan( RLR, TLR ) + manhattan( RLL, TLL ) <
manhattan( MUL, TUL ) + manhattan( MUR, TUR ) + manhattan( MLR, TLR ) + manhattan( MLL, TLL ) )
{ *out_ul = RUL; *out_ur = RUR; *out_ll = RLL; *out_lr = RLR; }
Expand Down
2 changes: 2 additions & 0 deletions Lux/src/life.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@ template< class T > struct CA {
std::vector< T > neighbors, result, targ; // vector of neighbors - size depends on neighborhood
// Future - use for image targeting
harness< bool > targeted; // if true, rule will run if it gets closer to target image
harness< bool > invert_target; // if true, invert the target color
harness< float > target_color_angle; // color rotation angle (degrees) for color comparison
harness< string > target_name, warp_name;
//any_buffer_pair_ptr target; // target image
//
Expand Down
1 change: 1 addition & 0 deletions Lux/src/scene_io.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -688,6 +688,7 @@ void scene_reader::read_effect( const json& j ) {
EFF( CA_ucolor )
if( j.contains( "rule" ) ) read_rule( j[ "rule" ], e );
HARNESSE( target_name ) HARNESSE( warp_name ) HARNESSE( targeted )
HARNESSE( invert_target ) HARNESSE( target_color_angle );
HARNESSE( p ) HARNESSE( edge_block ) HARNESSE( alpha_block )
HARNESSE( bright_block ) HARNESSE( bright_range )
END_EFF()
Expand Down