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@ -1,10 +1,16 @@ |
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#include "../config.h" |
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#include <stdint.h> |
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#include <stdint.h> |
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#include "../random/prng.h" |
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#include "../pixel.h" |
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#include "../util.h" |
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#ifndef MATRIX_CYCLES |
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#define MATRIX_CYCLES 500 |
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#endif |
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#ifndef MATRIX_STREAMER_NUM |
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#define MATRIX_STREAMER_NUM 30 |
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#endif |
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typedef struct{ |
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pixel start; |
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@ -31,8 +37,8 @@ inline static void set_bright(pixel_matrix_t *matrix, uint8_t x, uint8_t y, uint |
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} |
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void matrix() { |
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unsigned int counter = 500; /* run 500 cycles */ |
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streamer streamers[STREAMER_NUM]; |
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unsigned int counter = MATRIX_CYCLES; |
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streamer streamers[MATRIX_STREAMER_NUM]; |
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pixel_matrix_t matrix_bright; |
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unsigned char x, y; |
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unsigned char index = 0; |
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@ -45,10 +51,10 @@ void matrix() { |
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for(x=0;x<NUM_COLS;x++) |
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for(y=0;y<NUM_ROWS/4;y++) |
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matrix_bright[x][y]=0; |
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for(i=0;i<streamer_num;i++){ |
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streamer str = streamers[i]; |
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unsigned char bright = 0xFF; draw = 0; |
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for(j=(str.len/8);j!=0xFF;j--){ /* Draw streamer */ |
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if(j+str.start.y<NUM_ROWS){ |
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@ -56,12 +62,12 @@ void matrix() { |
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draw = 1; |
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if(bright > (get_bright(&matrix_bright, str.start.x, str.start.y+j)<<6) ){ |
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set_bright(&matrix_bright, str.start.x, str.start.y+j, bright>>6); |
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} |
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} |
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bright-=((bright>>5)*str.decay); |
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} |
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str.len+=str.speed/2; |
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streamers[i] = str; |
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if(!draw){ |
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@ -70,25 +76,25 @@ void matrix() { |
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} |
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streamer_num--; |
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i--; |
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} |
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} |
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} |
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for(y=NUM_ROWS;y--;) |
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for(x=NUM_COLS;x--;){ |
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setpixel((pixel){x,y}, get_bright(&matrix_bright,x,y)); |
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} |
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unsigned char nsc; |
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for(nsc=0;nsc<6;nsc++){ |
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if(streamer_num<STREAMER_NUM){ |
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if(streamer_num<MATRIX_STREAMER_NUM){ |
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unsigned char sy = random8()%(2*NUM_ROWS); |
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if (sy>NUM_ROWS-1) sy=0; |
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streamers[streamer_num] = (streamer){{random8()%NUM_COLS, sy}, 0, (random8()%8)+12, index++,(random8()%16)+3}; |
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streamer_num++; |
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streamer_num++; |
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} |
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} |
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wait(60); |
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wait(60); |
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} |
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} |
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