Entity Path

/scoreboard objectives add motion dummy

/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-2 ~ end_stone 0 /entitydata @e[r=0] {Motion:[-0.5,-0.1,0.0],Rotation:[90f,30f]}
/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-2 ~ minecraft:stonebrick 3 /entitydata @e[r=0] {Motion:[0.0,-0.1,-0.5],Rotation:[180f,10f]}
/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-2 ~ minecraft:sponge 0 /entitydata @e[r=0] {Motion:[0.5,-0.1,0.0],Rotation:[-90f,30f]}
/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-2 ~ minecraft:soul_sand 0 /entitydata @e[r=0] {Motion:[0.0,-0.1,0.5],Rotation:[360f,-30f]}
/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-3 ~ end_stone 0 /entitydata @e[r=0] {Motion:[-0.5,-0.1,0.0],Rotation:[90f,30f]}
/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-3 ~ minecraft:stonebrick 3 /entitydata @e[r=0] {Motion:[0.0,-0.1,-0.5],Rotation:[180f,10f]}
/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-3 ~ minecraft:sponge 0 /entitydata @e[r=0] {Motion:[0.5,-0.1,0.0],Rotation:[-90f,30f]}
/execute @e[score_motion_min=1,score_motion=1] ~ ~ ~ detect ~ ~-3 ~ minecraft:soul_sand 0 /entitydata @e[r=0] {Motion:[0.0,-0.1,0.5],Rotation:[360f,-30f]}