Designate a theta angle

src/c/main.c

@@ -561,7 +561,7 @@ static void alarm_window_load() {
 	uint8_t ignored_side = rand() % 3;
 	switch (ignored_side) {
 	case 0:
-		APP_LOG(APP_LOG_LEVEL_DEBUG, "b,c");
+		// APP_LOG(APP_LOG_LEVEL_DEBUG, "b,c");
 		snprintf(side_b_buffer, sizeof(side_b_buffer), "%u", s_triangle_layer->side_b);
 		snprintf(side_c_buffer, sizeof(side_c_buffer), "%u", s_triangle_layer->side_c);
 		s_options_over[0] = side_b_buffer;
@@ -570,7 +570,7 @@ static void alarm_window_load() {
 		s_options_under[1] = side_c_buffer;
 		break;
 	case 1:
-		APP_LOG(APP_LOG_LEVEL_DEBUG, "a,c");
+		// APP_LOG(APP_LOG_LEVEL_DEBUG, "a,c");
 		snprintf(side_a_buffer, sizeof(side_a_buffer), "%u", s_triangle_layer->side_a);
 		snprintf(side_c_buffer, sizeof(side_c_buffer), "%u", s_triangle_layer->side_c);
 		s_options_over[0] = side_a_buffer;
@@ -579,7 +579,7 @@ static void alarm_window_load() {
 		s_options_under[1] = side_c_buffer;
 		break;
 	case 2:
-		APP_LOG(APP_LOG_LEVEL_DEBUG, "a,b");
+		// APP_LOG(APP_LOG_LEVEL_DEBUG, "a,b");
 		snprintf(side_a_buffer, sizeof(side_a_buffer), "%u", s_triangle_layer->side_a);
 		snprintf(side_b_buffer, sizeof(side_b_buffer), "%u", s_triangle_layer->side_b);
 		s_options_over[0] = side_a_buffer;

src/c/triangles.c

@@ -30,6 +30,10 @@ static void right_triangle_layer_update_proc(Layer *layer, GContext *ctx) {
 	graphics_draw_line(ctx, GPoint(start_x, base_y), GPoint(end_x, base_y));
 	graphics_draw_line(ctx, GPoint(start_x, base_y), GPoint(apex_x, apex_y));
 	graphics_draw_line(ctx, GPoint(end_x, base_y), GPoint(apex_x, apex_y));
+
+	// circle theta angle
+	graphics_context_set_stroke_color(ctx, GColorRed);
+	graphics_draw_circle(ctx, GPoint(tri->theta_angle_is_left ? start_x : end_x, base_y), 3);
 }
 
 RightTriangleLayer *right_triangle_layer_create(GRect frame, GColor color) {
@@ -41,9 +45,10 @@ RightTriangleLayer *right_triangle_layer_create(GRect frame, GColor color) {
 	tri->color = color;
 
 	// determine angles
-	tri->angle_A = 90;
-	tri->angle_B = rand() % 86;       // acute angle at left base vertex
+	tri->angle_A = 90;                // right angle at apex
+	tri->angle_B = 5 + rand() % 81;   // acute angle at left base vertex
 	tri->angle_C = 90 - tri->angle_B; // acute angle at right base vertex
+	tri->theta_angle_is_left = rand() % 2;
 
 	// choose hypotenuse length randomly
 	uint16_t min_hyp = (frame.size.w < frame.size.h) ? frame.size.w / 2 : frame.size.h / 2;

src/c/triangles.h

@@ -14,6 +14,9 @@ typedef struct {
     uint16_t side_a;
     uint16_t side_b;
     uint16_t side_c;
+
+    // determines which angle the user needs to solve for
+    bool theta_angle_is_left;
 } __attribute__((__packed__)) RightTriangleLayer;
 
 RightTriangleLayer *right_triangle_layer_create(GRect frame, GColor color);