pitrix/src/effect_sinematrix3.cpp

#include "effect_sinematrix3.h"
#include "prototypes.h"
#include "functions.h"
#include "Effect.h"

boolean Sinematrix3Effect::can_be_shown_with_clock() { return true; };
boolean Sinematrix3Effect::clock_as_mask() { return true; };
void Sinematrix3Effect::loop() {
    pangle = addmodpi( pangle, 0.0133 + (angle / 256) );
    angle = cos(pangle) * PI;
    sx = addmodpi( sx, 0.00673 );
    sy = addmodpi( sy, 0.00437 );
    tx = addmodpi( tx, 0.00239 );
    ty = addmodpi( ty, 0.00293 );
    cx = addmodpi( cx, 0.00197 );
    cy = addmodpi( cy, 0.00227 );
    rcx = (LED_WIDTH / 2) + (sin(cx) * LED_WIDTH);
    rcy = (LED_HEIGHT / 2) + (sin(cy) * LED_HEIGHT);
    angle2 = addmodpi( angle2, 0.0029 );
    sx2 = addmodpi( sx2, 0.0041);
    sy2 = addmodpi( sy2, 0.0031);
    tx2 = addmodpi( tx2, 0.0011 );
    ty2 = addmodpi( ty2, 0.0023 );
    basecol = addmod( basecol, 1.0, 0.007 );

    rotate = {
        .a11 = cos(angle),
        .a12 = -sin(angle),
        .a21 = sin(angle),
        .a22 = cos(angle)
    };
    Matrix zoom = {
        .a11 = sin(sx) / 4.0 + 0.15,
        .a12 = 0, //atan(cos(sx2)),
        .a21 = 0, //atan(cos(sy2)),
        .a22 = cos(sy) / 4.0 + 0.15
    };
    Vector translate = {
        .x1 = sin(tx) * LED_WIDTH,
        .x2 = sin(ty) * LED_HEIGHT
    };

    for ( int x = 0; x < LED_WIDTH; x++ ) {
        for ( int y = 0; y < LED_HEIGHT; y++ ) {
            Vector c = add(multiply( multiply(rotate, zoom), { .x1 = x - rcx, .x2 = y - rcy } ), translate);
            int sat = (basecol + basefield(c.x1, c.x2)) * 255;
            CRGB color(CHSV(sat, 120, 255));
            window->setPixel(x, y, &color);
        }
    }
}