18 lines
No EOL
652 B
C
18 lines
No EOL
652 B
C
bool almost_equals(float a, float b, float epsilon) {
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return fabs(a - b) <= epsilon;
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}
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bool animate_to_target_f32(float* value, float target, float delta_time, float rate) {
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*value += (target - *value) * (1.0 - pow(2.0f, -rate * delta_time));
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if (almost_equals(*value, target, 0.001f)) {
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*value = target;
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return true; // finished animation
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}
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return false;
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}
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bool animate_to_target_v2(Vector2* value, Vector2 target, float delta_time, float rate) {
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bool result_x = animate_to_target_f32(&(value->x), target.x, delta_time, rate);
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bool result_y = animate_to_target_f32(&(value->y), target.y, delta_time, rate);
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return result_x && result_y;
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} |