Merge pull request #6 from AntonGerasimov/master

Й

051315/first/first.cc

@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include "device.h"
+#include <math.h>
+
+
+float min_(float x1, float x2){
+	if (x1 < x2)
+		return x1;
+	else return x2;
+}
+void print_(vector <Device *> my_device){
+        for (int i = 0; i < my_device.size(); i++){
+                printf("%d:%f\n", i,min_(my_device[i]->x1, my_device[i]->x2));
+        }
+	printf("\n");
+}
+float sqr_(float x){
+	return x*x;
+}
+
+int first(vector <Device *> d, RAY *r){
+	int ret = -1;
+	float x = r->x;
+	float y = r->y;
+	float rast;
+	float min = 100000;
+	for (int i = 0; i < d.size(); i++){
+		point *cross = NULL;
+		cross = d[i] -> cross_point(r);
+		if (cross != NULL){
+			float xp = cross -> x;
+			float yp = cross -> y;
+			rast = sqrt(sqr_(x - xp)+sqr_(y - yp));
+		}
+		else{
+			rast = 1000000;
+		}
+		if (rast < min){
+			min = rast;
+			ret = i;	
+		}
+	}
+	return ret;
+}
+
+int main(){
+        vector <Device *> my_device;
+        Device *d1 = new Lens(30, 0, 10, 5, 0);
+        Device *d2 = new Lens(10, 0, 10, 10, 0);
+        Device *d3 = new Lens(50, 0, 10, 20, 0);
+        my_device.push_back(d1);
+        my_device.push_back(d2);
+        my_device.push_back(d3);
+	RAY *r = new RAY();
+	r->set_ray_pos(40, 0, 10);
+	int q = first(my_device, r);
+	printf("%d\n", q);
+//	sort_(my_device);
+	return 0;
+}

051315/first/first.h

@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include "device.h"
+#include <math.h>
+
+
+float min_(float x1, float x2){
+	if (x1 < x2)
+		return x1;
+	else return x2;
+}
+void print_(vector <Device *> my_device){
+        for (int i = 0; i < my_device.size(); i++){
+                printf("%d:%f\n", i,min_(my_device[i]->x1, my_device[i]->x2));
+        }
+	printf("\n");
+}
+float sqr_(float x){
+	return x*x;
+}
+
+int first(vector <Device *> d, RAY *r){
+	int ret = -1;
+	float x = r->x;
+	float y = r->y;
+	float rast;
+	float min = 100000;
+	if (d.size==0){
+		return ret;
+	}
+	for (int i = 0; i < d.size(); i++){
+		point *cross = NULL;
+		cross = d[i] -> cross_point(r);
+		if (cross != NULL){
+			float xp = cross -> x;
+			float yp = cross -> y;
+			rast = sqrt(sqr_(x - xp)+sqr_(y - yp));
+		}
+		else{
+			rast = 1000000;
+		}
+		if (rast < min){
+			min = rast;
+			ret = i;	
+		}
+	}
+	return ret;
+}
+int first_s(vector <SCREEN *> d, RAY *r){
+        int ret = -1;
+        float x = r->x;
+        float y = r->y;
+        float rast;
+        float min = 100000;
+        for (int i = 0; i < d.size(); i++){
+                point *cross = NULL;
+                cross = d[i] -> cross_point(r);
+                if (cross != NULL){
+                        float xp = cross -> x;
+                        float yp = cross -> y;
+                        rast = sqrt(sqr_(x - xp)+sqr_(y - yp));
+                }
+                else{
+                        rast = 1000000;
+                }
+                if (rast < min){
+                        min = rast;
+                        ret = i;
+                }
+        }
+        return ret;
+}