Bryce Williams / Eyes_uLCD-144-G2

Library for googly eyes

Dependents:   Eyes_Demo

Eyes.cpp@2:9dd81fc2623f, 2016-04-12 (annotated)

Committer:
electromotivated
Date:
Tue Apr 12 02:30:40 2016 +0000
Revision:
2:9dd81fc2623f
Parent:
0:06df44729143 
Added new method look_there(theta, dist) allowing finer control of direction and distance to look;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
electromotivated 0:06df44729143 1 #include "Eyes.h"
electromotivated 0:06df44729143 2
electromotivated 0:06df44729143 3 Eyes::Eyes(PinName tx, PinName rx, PinName reset): lcd(tx, rx, reset){
electromotivated 0:06df44729143 4 right_eye_center.x = 37; right_eye_center.y = 42;
electromotivated 0:06df44729143 5 left_eye_center.x = 89; left_eye_center.y = 42;
electromotivated 0:06df44729143 6 active_expression = NORMAL;
electromotivated 0:06df44729143 7 active_direction = C;
electromotivated 0:06df44729143 8 eye_radius = 20;
electromotivated 0:06df44729143 9 iris_radius = 10;
electromotivated 0:06df44729143 10 pupil_radius = 5;
electromotivated 0:06df44729143 11 lcd.baudrate(3000000); // Jack up baud rate for smooth operator eyes
electromotivated 0:06df44729143 12 lcd.cls(); // Master clear screen
electromotivated 0:06df44729143 13 draw(); // Initialize the eyes on screen
electromotivated 0:06df44729143 14 }
electromotivated 0:06df44729143 15
electromotivated 0:06df44729143 16 void Eyes::look(DIRECTION direction){
electromotivated 0:06df44729143 17 if(direction == C){
electromotivated 0:06df44729143 18 eye_direction_offset.x = 0;
electromotivated 0:06df44729143 19 eye_direction_offset.y = 0;
electromotivated 0:06df44729143 20 }
electromotivated 0:06df44729143 21 else{
electromotivated 0:06df44729143 22 int radius(eye_radius - iris_radius);
electromotivated 0:06df44729143 23 eye_direction_offset.x = (int)(radius*cos(direction*3.14/180.0));
electromotivated 0:06df44729143 24 eye_direction_offset.y = (int)(radius*sin(direction*3.14/180.0));
electromotivated 0:06df44729143 25 }
electromotivated 0:06df44729143 26 }
electromotivated 0:06df44729143 27
electromotivated 2:9dd81fc2623f 28 void Eyes::look_there(int theta, float dist){
electromotivated 2:9dd81fc2623f 29 theta = theta % 361; // Clamp theta to 0 to 360 degrees
electromotivated 2:9dd81fc2623f 30 if(dist > 1.0) dist = 1.0; // Clamp dist to 1.0 max
electromotivated 2:9dd81fc2623f 31 if(dist < 0.0) dist = 0.0; // Clamp dist to 0.0 min
electromotivated 2:9dd81fc2623f 32
electromotivated 2:9dd81fc2623f 33 int radius(eye_radius - iris_radius);
electromotivated 2:9dd81fc2623f 34 eye_direction_offset.x = (int)(dist*radius*cos(theta*3.14/180.0));
electromotivated 2:9dd81fc2623f 35 eye_direction_offset.y = (int)(dist*radius*sin(theta*3.14/180.0));
electromotivated 2:9dd81fc2623f 36 }
electromotivated 2:9dd81fc2623f 37
electromotivated 0:06df44729143 38 void Eyes::express(EXPRESSION expression){}
electromotivated 0:06df44729143 39
electromotivated 0:06df44729143 40 void Eyes::gesture(GESTURE gesture){
electromotivated 0:06df44729143 41 switch(gesture){
electromotivated 0:06df44729143 42 // "Clear" Screen/ Black out Eyes
electromotivated 0:06df44729143 43 case BLINK:
electromotivated 0:06df44729143 44 lcd.filled_circle(right_eye_center.x, right_eye_center.y,
electromotivated 0:06df44729143 45 eye_radius, BLACK);
electromotivated 0:06df44729143 46 lcd.filled_circle(left_eye_center.x, left_eye_center.y,
electromotivated 0:06df44729143 47 eye_radius, BLACK);
electromotivated 0:06df44729143 48 // Manually Draw lines that look like closed eye lids
electromotivated 0:06df44729143 49 lcd.line(right_eye_center.x - eye_radius, right_eye_center.y,
electromotivated 0:06df44729143 50 right_eye_center.x + eye_radius, right_eye_center.y,
electromotivated 0:06df44729143 51 LGREY);
electromotivated 0:06df44729143 52 lcd.line(left_eye_center.x - eye_radius, left_eye_center.y,
electromotivated 0:06df44729143 53 left_eye_center.x + eye_radius, left_eye_center.y,
electromotivated 0:06df44729143 54 LGREY);
electromotivated 0:06df44729143 55 callback_timer.attach(this, &Eyes::draw, (rand()%301)*0.001 + 0.075); // Between 100ish and 400ish (serial overhead makes it ish)
electromotivated 0:06df44729143 56 break;
electromotivated 0:06df44729143 57
electromotivated 0:06df44729143 58 case CLOSE:
electromotivated 0:06df44729143 59 lcd.filled_circle(right_eye_center.x, right_eye_center.y,
electromotivated 0:06df44729143 60 eye_radius, BLACK);
electromotivated 0:06df44729143 61 lcd.filled_circle(left_eye_center.x, left_eye_center.y,
electromotivated 0:06df44729143 62 eye_radius, BLACK);
electromotivated 0:06df44729143 63 // Manually Draw lines that look like closed eye lids
electromotivated 0:06df44729143 64 lcd.line(right_eye_center.x - eye_radius, right_eye_center.y,
electromotivated 0:06df44729143 65 right_eye_center.x + eye_radius, right_eye_center.y,
electromotivated 0:06df44729143 66 LGREY);
electromotivated 0:06df44729143 67 lcd.line(left_eye_center.x - eye_radius, left_eye_center.y,
electromotivated 0:06df44729143 68 left_eye_center.x + eye_radius, left_eye_center.y,
electromotivated 2:9dd81fc2623f 69 LGREY);
electromotivated 2:9dd81fc2623f 70 break;
electromotivated 2:9dd81fc2623f 71
electromotivated 2:9dd81fc2623f 72 case SHAKE:
electromotivated 2:9dd81fc2623f 73 break;
electromotivated 0:06df44729143 74 }
electromotivated 0:06df44729143 75 }
electromotivated 0:06df44729143 76
electromotivated 0:06df44729143 77 void Eyes::draw(){
electromotivated 2:9dd81fc2623f 78 //Draw over last eye in black to "erase" before drawing new eye
electromotivated 0:06df44729143 79 lcd.filled_circle(right_eye_center.x,
electromotivated 0:06df44729143 80 right_eye_center.y,
electromotivated 0:06df44729143 81 eye_radius, BLACK);
electromotivated 0:06df44729143 82
electromotivated 0:06df44729143 83 lcd.filled_circle(left_eye_center.x,
electromotivated 0:06df44729143 84 left_eye_center.y,
electromotivated 0:06df44729143 85 eye_radius, BLACK);
electromotivated 0:06df44729143 86
electromotivated 0:06df44729143 87 // Draw right eye
electromotivated 0:06df44729143 88 lcd.filled_circle(right_eye_center.x,
electromotivated 0:06df44729143 89 right_eye_center.y,
electromotivated 0:06df44729143 90 eye_radius, WHITE);
electromotivated 0:06df44729143 91 lcd.filled_circle(right_eye_center.x + eye_direction_offset.x,
electromotivated 0:06df44729143 92 right_eye_center.y + eye_direction_offset.y,
electromotivated 0:06df44729143 93 iris_radius, BLUE);
electromotivated 0:06df44729143 94 lcd.filled_circle(right_eye_center.x + eye_direction_offset.x,
electromotivated 0:06df44729143 95 right_eye_center.y + eye_direction_offset.y,
electromotivated 0:06df44729143 96 pupil_radius, BLACK);
electromotivated 0:06df44729143 97
electromotivated 0:06df44729143 98 // Draw left eye
electromotivated 0:06df44729143 99 lcd.filled_circle(left_eye_center.x,
electromotivated 0:06df44729143 100 left_eye_center.y,
electromotivated 0:06df44729143 101 eye_radius, WHITE);
electromotivated 0:06df44729143 102 lcd.filled_circle(left_eye_center.x + eye_direction_offset.x,
electromotivated 0:06df44729143 103 left_eye_center.y + eye_direction_offset.y,
electromotivated 0:06df44729143 104 iris_radius, BLUE);
electromotivated 0:06df44729143 105 lcd.filled_circle(left_eye_center.x + eye_direction_offset.x,
electromotivated 0:06df44729143 106 left_eye_center.y + eye_direction_offset.y,
electromotivated 0:06df44729143 107 pupil_radius, BLACK);
electromotivated 0:06df44729143 108 }