Created
April 4, 2016 16:12
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| #include <cmath> | |
| #include <cstring> | |
| #include <cstdio> | |
| float sensors[9]; | |
| struct float2 { | |
| float x, y; | |
| }; | |
| const float diag = 1.f / sqrt(2.f); | |
| const float2 directions[9] = { { -diag, -diag }, { 0.f, -1.f }, { diag, -diag }, | |
| { -1.f, 0.f }, { 0.f, 0.f }, { 1.f, 0.f }, | |
| { -diag, diag }, { 0.f, 1.f }, { diag, diag } }; | |
| void readSensors(float s[9]) { | |
| // Reads sensors into s | |
| // Normalize sensors | |
| float sum = 0.; | |
| for (int i = 0; i < 9; ++i) { | |
| sum += s[i]; | |
| } | |
| for (int i = 0; i < 9; ++i) { | |
| s[i] /= sum; | |
| } | |
| }; | |
| int main() { | |
| while (true) { | |
| readSensors(sensors); | |
| // Process dat data | |
| float x = 0.f, y = 0.f; | |
| for (int i = 0; i < 9; ++i) { | |
| x += directions[i].x * sensors[i]; | |
| y += directions[i].y * sensors[i]; | |
| } | |
| float angle = atan2f(y, x) * (180.f / 3.14f), magnitude = sqrt(x*x + y*y); | |
| printf("x: %f y: %f theta: %f mag: %f\n", x, y, angle, magnitude); | |
| } | |
| return 0; | |
| }; |
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