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Unreal Engine C++ API Reference > Runtime > Engine > FSpeedTreeWind
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/SpeedTreeWind.h |
| Include | #include "SpeedTreeWind.h" |
Syntax
enum EShaderValues
&123;
SH_WIND_DIR_X,
SH_WIND_DIR_Y,
SH_WIND_DIR_Z,
SH_GENERAL_STRENGTH,
SH_GLOBAL_TIME,
SH_GLOBAL_DISTANCE,
SH_GLOBAL_HEIGHT,
SH_GLOBAL_HEIGHT_EXPONENT,
SH_BRANCH_1_TIME,
SH_BRANCH_1_DISTANCE,
SH_BRANCH_2_TIME,
SH_BRANCH_2_DISTANCE,
SH_BRANCH_1_TWITCH,
SH_BRANCH_1_TWITCH_FREQ_SCALE,
SH_BRANCH_2_TWITCH,
SH_BRANCH_2_TWITCH_FREQ_SCALE,
SH_BRANCH_1_WHIP,
SH_BRANCH_2_WHIP,
SH_WIND_PACK0,
SH_WIND_PACK1,
SH_WIND_ANCHOR_X,
SH_WIND_ANCHOR_Y,
SH_WIND_ANCHOR_Z,
SH_WIND_PACK2,
SH_GLOBAL_DIRECTION_ADHERENCE,
SH_BRANCH_1_DIRECTION_ADHERENCE,
SH_BRANCH_2_DIRECTION_ADHERENCE,
SH_WIND_PACK5,
SH_BRANCH_1_TURBULENCE,
SH_BRANCH_2_TURBULENCE,
SH_WIND_PACK6,
SH_WIND_PACK7,
SH_LEAF_1_RIPPLE_TIME,
SH_LEAF_1_RIPPLE_DISTANCE,
SH_LEAF_1_LEEWARD_SCALAR,
SH_WIND_PACK8,
SH_LEAF_1_TUMBLE_TIME,
SH_LEAF_1_TUMBLE_FLIP,
SH_LEAF_1_TUMBLE_TWIST,
SH_LEAF_1_TUMBLE_DIRECTION_ADHERENCE,
SH_LEAF_1_TWITCH_THROW,
SH_LEAF_1_TWITCH_SHARPNESS,
SH_LEAF_1_TWITCH_TIME,
SH_WIND_PACK9,
SH_LEAF_2_RIPPLE_TIME,
SH_LEAF_2_RIPPLE_DISTANCE,
SH_LEAF_2_LEEWARD_SCALAR,
SH_WIND_PACK10,
SH_LEAF_2_TUMBLE_TIME,
SH_LEAF_2_TUMBLE_FLIP,
SH_LEAF_2_TUMBLE_TWIST,
SH_LEAF_2_TUMBLE_DIRECTION_ADHERENCE,
SH_LEAF_2_TWITCH_THROW,
SH_LEAF_2_TWITCH_SHARPNESS,
SH_LEAF_2_TWITCH_TIME,
SH_WIND_PACK11,
SH_FROND_RIPPLE_TIME,
SH_FROND_RIPPLE_DISTANCE,
SH_FROND_RIPPLE_TILE,
SH_FROND_RIPPLE_LIGHTING_SCALAR,
SH_ROLLING_BRANCH_FIELD_MIN,
SH_ROLLING_BRANCH_LIGHTING_ADJUST,
SH_ROLLING_BRANCH_VERTICAL_OFFSET,
SH_WIND_PACK12,
SH_ROLLING_LEAF_RIPPLE_MIN,
SH_ROLLING_LEAF_TUMBLE_MIN,
SH_ROLLING_X,
SH_ROLLING_Y,
SH_ROLLING_NOISE_PERIOD,
SH_ROLLING_NOISE_SIZE,
SH_ROLLING_NOISE_TURBULENCE,
SH_ROLLING_NOISE_TWIST,
NUM_SHADER_VALUES,
&125;
Values
| Name | Description |
|---|---|
| SH_WIND_DIR_X | G_vWindVector |
| SH_WIND_DIR_Y | |
| SH_WIND_DIR_Z | |
| SH_GENERAL_STRENGTH | |
| SH_GLOBAL_TIME | G_vWindGlobal |
| SH_GLOBAL_DISTANCE | |
| SH_GLOBAL_HEIGHT | |
| SH_GLOBAL_HEIGHT_EXPONENT | |
| SH_BRANCH_1_TIME | G_vWindBranch |
| SH_BRANCH_1_DISTANCE | |
| SH_BRANCH_2_TIME | |
| SH_BRANCH_2_DISTANCE | |
| SH_BRANCH_1_TWITCH | G_vWindBranchTwitch |
| SH_BRANCH_1_TWITCH_FREQ_SCALE | |
| SH_BRANCH_2_TWITCH | |
| SH_BRANCH_2_TWITCH_FREQ_SCALE | |
| SH_BRANCH_1_WHIP | G_vWindBranchWhip |
| SH_BRANCH_2_WHIP | |
| SH_WIND_PACK0 | |
| SH_WIND_PACK1 | |
| SH_WIND_ANCHOR_X | G_vWindBranchAnchor |
| SH_WIND_ANCHOR_Y | |
| SH_WIND_ANCHOR_Z | |
| SH_WIND_PACK2 | |
| SH_GLOBAL_DIRECTION_ADHERENCE | G_vWindBranchAdherences |
| SH_BRANCH_1_DIRECTION_ADHERENCE | |
| SH_BRANCH_2_DIRECTION_ADHERENCE | |
| SH_WIND_PACK5 | |
| SH_BRANCH_1_TURBULENCE | G_vWindTurbulences |
| SH_BRANCH_2_TURBULENCE | |
| SH_WIND_PACK6 | |
| SH_WIND_PACK7 | |
| SH_LEAF_1_RIPPLE_TIME | G_vWindLeaf1Ripple |
| SH_LEAF_1_RIPPLE_DISTANCE | |
| SH_LEAF_1_LEEWARD_SCALAR | |
| SH_WIND_PACK8 | |
| SH_LEAF_1_TUMBLE_TIME | G_vWindLeaf1Tumble |
| SH_LEAF_1_TUMBLE_FLIP | |
| SH_LEAF_1_TUMBLE_TWIST | |
| SH_LEAF_1_TUMBLE_DIRECTION_ADHERENCE | |
| SH_LEAF_1_TWITCH_THROW | G_vWindLeaf1Twitch |
| SH_LEAF_1_TWITCH_SHARPNESS | |
| SH_LEAF_1_TWITCH_TIME | |
| SH_WIND_PACK9 | |
| SH_LEAF_2_RIPPLE_TIME | G_vWindLeaf2Ripple |
| SH_LEAF_2_RIPPLE_DISTANCE | |
| SH_LEAF_2_LEEWARD_SCALAR | |
| SH_WIND_PACK10 | |
| SH_LEAF_2_TUMBLE_TIME | G_vWindLeaf2Tumble |
| SH_LEAF_2_TUMBLE_FLIP | |
| SH_LEAF_2_TUMBLE_TWIST | |
| SH_LEAF_2_TUMBLE_DIRECTION_ADHERENCE | |
| SH_LEAF_2_TWITCH_THROW | G_vWindLeaf2Twitch |
| SH_LEAF_2_TWITCH_SHARPNESS | |
| SH_LEAF_2_TWITCH_TIME | |
| SH_WIND_PACK11 | |
| SH_FROND_RIPPLE_TIME | G_vWindFrondRipple |
| SH_FROND_RIPPLE_DISTANCE | |
| SH_FROND_RIPPLE_TILE | |
| SH_FROND_RIPPLE_LIGHTING_SCALAR | |
| SH_ROLLING_BRANCH_FIELD_MIN | G_vWindRollingBranch |
| SH_ROLLING_BRANCH_LIGHTING_ADJUST | |
| SH_ROLLING_BRANCH_VERTICAL_OFFSET | |
| SH_WIND_PACK12 | |
| SH_ROLLING_LEAF_RIPPLE_MIN | G_vWindRollingLeafAndDir |
| SH_ROLLING_LEAF_TUMBLE_MIN | |
| SH_ROLLING_X | |
| SH_ROLLING_Y | |
| SH_ROLLING_NOISE_PERIOD | G_vWindRollingNoise |
| SH_ROLLING_NOISE_SIZE | |
| SH_ROLLING_NOISE_TURBULENCE | |
| SH_ROLLING_NOISE_TWIST | |
| NUM_SHADER_VALUES | Total values, including packing |
Remarks
Values to be uploaded as shader constants