Library for googly eyes

Dependents:   Eyes_Demo

Revision:
0:06df44729143
Child:
2:9dd81fc2623f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Eyes.cpp	Tue Dec 15 00:36:42 2015 +0000
@@ -0,0 +1,95 @@
+#include "Eyes.h"
+
+Eyes::Eyes(PinName tx, PinName rx, PinName reset): lcd(tx, rx, reset){
+    right_eye_center.x = 37; right_eye_center.y = 42;
+    left_eye_center.x = 89; left_eye_center.y = 42;
+    active_expression = NORMAL;
+    active_direction   = C;
+    eye_radius   = 20;
+    iris_radius  = 10;
+    pupil_radius = 5;
+    lcd.baudrate(3000000);              // Jack up baud rate for smooth operator eyes
+    lcd.cls();                          // Master clear screen
+    draw();                             // Initialize the eyes on screen
+}
+
+void Eyes::look(DIRECTION direction){
+    if(direction == C){
+        eye_direction_offset.x = 0; 
+        eye_direction_offset.y = 0;
+    }
+    else{
+        int radius(eye_radius - iris_radius);
+        eye_direction_offset.x = (int)(radius*cos(direction*3.14/180.0)); 
+        eye_direction_offset.y = (int)(radius*sin(direction*3.14/180.0));
+    }
+}
+
+void Eyes::express(EXPRESSION expression){}
+
+void Eyes::gesture(GESTURE gesture){
+    switch(gesture){
+        // "Clear" Screen/ Black out Eyes
+        case BLINK:
+            lcd.filled_circle(right_eye_center.x, right_eye_center.y,
+                              eye_radius, BLACK);
+            lcd.filled_circle(left_eye_center.x, left_eye_center.y,
+                              eye_radius, BLACK);    
+            // Manually Draw lines that look like closed eye lids
+            lcd.line(right_eye_center.x - eye_radius, right_eye_center.y,
+                     right_eye_center.x + eye_radius, right_eye_center.y,
+                     LGREY);
+            lcd.line(left_eye_center.x - eye_radius, left_eye_center.y,
+                     left_eye_center.x + eye_radius, left_eye_center.y,
+                     LGREY);
+            callback_timer.attach(this, &Eyes::draw, (rand()%301)*0.001 + 0.075); // Between 100ish and 400ish (serial overhead makes it ish)
+            break;
+        
+        case CLOSE:
+            lcd.filled_circle(right_eye_center.x, right_eye_center.y,
+                              eye_radius, BLACK);
+            lcd.filled_circle(left_eye_center.x, left_eye_center.y,
+                              eye_radius, BLACK);
+            // Manually Draw lines that look like closed eye lids
+            lcd.line(right_eye_center.x - eye_radius, right_eye_center.y,
+                     right_eye_center.x + eye_radius, right_eye_center.y,
+                     LGREY);
+            lcd.line(left_eye_center.x - eye_radius, left_eye_center.y,
+                     left_eye_center.x + eye_radius, left_eye_center.y,
+                     LGREY); 
+    }
+}
+
+void Eyes::draw(){
+    /* TODO: Draw over last eye in black to "erase" before drawing 
+        new eye */
+    lcd.filled_circle(right_eye_center.x,
+                      right_eye_center.y,
+                      eye_radius, BLACK);
+    
+    lcd.filled_circle(left_eye_center.x,
+                      left_eye_center.y,
+                      eye_radius, BLACK);
+    
+    // Draw right eye
+    lcd.filled_circle(right_eye_center.x,
+                      right_eye_center.y,
+                      eye_radius, WHITE);
+    lcd.filled_circle(right_eye_center.x + eye_direction_offset.x,
+                      right_eye_center.y + eye_direction_offset.y,
+                      iris_radius, BLUE);
+    lcd.filled_circle(right_eye_center.x + eye_direction_offset.x,
+                      right_eye_center.y + eye_direction_offset.y,
+                      pupil_radius, BLACK);
+                      
+    // Draw left eye
+    lcd.filled_circle(left_eye_center.x,
+                      left_eye_center.y,
+                      eye_radius, WHITE);
+    lcd.filled_circle(left_eye_center.x + eye_direction_offset.x,
+                      left_eye_center.y + eye_direction_offset.y,
+                      iris_radius, BLUE);
+    lcd.filled_circle(left_eye_center.x + eye_direction_offset.x,
+                      left_eye_center.y + eye_direction_offset.y,
+                      pupil_radius, BLACK);
+}
\ No newline at end of file