// Save this frame for the next loop
// save_leds_to_last(); // (leds.h)
// TODO: Screensaver
// When ever the GPU hits this point in the loop, check if the total luminosity is below a small threshold value,
// and if so, use 4 reserved draw_dots() in the same color palette as your current mode, and some sine functions
// to make them "spin around" in a 1-D sense.
// This can be randomized in fun ways, so that when your album finishes and the room is quiet, the display slowly
// goes into a slow resting state that still indicates that it's on.
//
// Definitely get's it's own toggle in the app in case I hate it
apply_brightness();
// Render the current debug value as a dot
render_debug_value(t_now_ms); // (leds.h)
// This value decays itself non linearly toward zero all the time,
// *really* slowing down the LPF when it's set to 1.0.
// This is a super hacky way to fake a true fade transition between modes
lpf_drag *= 0.995;
// Apply a low pass filter to every color channel of every pixel on every frame
// at hundreds of frames per second
//
// To anyone who reads this: hobbyist microcontrollers are fucking insane now.
// When I got into all this in 2012, I had a 16MHz single core AVR
//
// The DMA and SIMD-style stuff inside the ESP32-S3 is some pretty crazy shit.
float lpf_cutoff_frequency = 0.5 + (1.0-configuration.melt)*9.5;
lpf_cutoff_frequency = lpf_cutoff_frequency * (1.0 - lpf_drag) + 0.5 * lpf_drag;
apply_image_lpf(lpf_cutoff_frequency);
// Quantize the image buffer with dithering,
// output to the 8-bit LED strand
transmit_leds();
// Update the FPS_GPU variable
watch_gpu_fps(t_now_us); // (system.h)
connornishijima
commented
4 months ago
When ever the GPU hits this point in the loop, check if the total luminosity is below a small threshold value,
and if so, use 4 reserved draw_dots() in the same color palette as your current mode, and some sine functions
to make them "spin around" in a 1-D sense.
This can be randomized in fun ways, so that when your album finishes and the room is quiet, the display slowly
goes into a slow resting state that still indicates that it's on.
Definitely get's it's own toggle in the app in case I hate it
render_debug_value(t_now_ms); // (leds.h)
*really* slowing down the LPF when it's set to 1.0.
This is a super hacky way to fake a true fade transition between modes
at hundreds of frames per second
To anyone who reads this: hobbyist microcontrollers are fucking insane now.
When I got into all this in 2012, I had a 16MHz single core AVR
The DMA and SIMD-style stuff inside the ESP32-S3 is some pretty crazy shit.
uint16_t fastled_profiler_index \= start_function_timing("FastLED.show()");
Quantize the image buffer with dithering,
output to the 8-bit LED strand
watch_gpu_fps(t_now_us); // (system.h)
https://github.com/Lixie-Labs/Emotiscope/blob/d86b5e6b51d8d961487226109ad7624e71e13e05/src/gpu_core.h#L56