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Student project simplified version of classic game frogger
Dependencies: 4DGL-uLCD-SE mbed-rtos mbed
Fork of uLCD144G2_demo by
Diff: main.cpp
- Revision:
- 5:a1ef40ff0f78
- Parent:
- 4:25a266a74a4c
- Child:
- 6:f752accd632c
--- a/main.cpp Mon Nov 18 03:06:14 2013 +0000 +++ b/main.cpp Wed Nov 20 03:26:19 2013 +0000 @@ -27,7 +27,7 @@ int main() { - int pixelcolors[400]; + int pixelcolors[40][40]; // basic printf demo = 16 by 18 characters on screen uLCD.printf("\nHello uLCD World\n"); //Default Green on black text uLCD.printf("\n Starting Demo..."); @@ -71,13 +71,15 @@ uLCD.printf("TxtLine %2D Page %D\n",i%16,i/16 ); i++; //16 lines with 18 charaters per line } -//draw an image pixel by BLIT (Block Image Transfer) +//draw an image using BLIT (Block Image Transfer) fastest way to transfer pixel data uLCD.background_color(BLACK); uLCD.cls(); - for(int i=0; i<400; i++) { - pixelcolors[i] = RED; + for(int i=0; i<40; i++) { + for(int k=0; k<40; k++) { + pixelcolors[i][k] = RED; + } } - uLCD.BLIT(50, 50, 20, 20, &pixelcolors[0]); + uLCD.BLIT(50, 50, 40, 40, &pixelcolors[0][0]); wait(5); //draw an image pixel by pixel uLCD.background_color(BLACK); @@ -110,7 +112,34 @@ Z_im = 2*Z_re*Z_im + c_im; Z_re = Z_re2 - Z_im2 + c_re; } - if(isInside==false) uLCD.pixel(x,y,((niterations & 0xFC0)<<14)+((niterations & 0x38)<<9)+((niterations & 0x07)<<5) ); + if(isInside==false) uLCD.pixel(x,y,((niterations & 0xF00)<<12)+((niterations & 0xF0)<<8)+((niterations & 0x0F)<<4) ); } } -} + wait(5); + // PLASMA wave BLIT animation + uLCD.cls(); + int num_cols=40; + int num_rows=40; + double a,b,c=0.0; + while(1) { + for (int k=0; k<num_cols; k++) { + b= (1+sin(3.14159*k*0.75/(num_cols-1.0)+c))*0.5; + for (int i=0; i<num_rows; i++) { + a= (1+sin(3.14159*i*0.75/(num_rows-1.0)+c))*0.5; + // a and b will be a sine wave output between 0 and 1 + // sine wave was scaled for nice effect across array + // uses a and b to compute pixel colors based on rol and col location in array + // also keeps colors at the same brightness level + if ((a+b) <.667) + pixelcolors[i][k] = (255-(int(240.0*((a+b)/0.667)))<<16) | (int(240.0*((a+b)/0.667))<<8) | 0; + else if ((a+b)<1.333) + pixelcolors[i][k] = (0 <<16) | (255-(int (240.0*((a+b-0.667)/0.667)))<<8) | int(240.0*((a+b-0.667)/0.667)); + else + pixelcolors[i][k] = (int(255*((a+b-1.333)/0.667))<<16) | (0<<8) | (255-(int (240.0*((a+b-1.333)/0.667)))); + } + } + uLCD.BLIT(50, 50, 40, 40, &pixelcolors[0][0]); + c = c + 0.0314159*3.0; + if (c > 6.2831) c = 0.0; + } +} \ No newline at end of file