Minecraft:Starfield - Revision history

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2026-07-22T11:20:59Z

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← Older revision		Revision as of 11:20, 22 July 2026
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	==== Data changes ====		==== Data changes ====
			{{info needed section\|there is still data to migrate from the userspace}}
	===== 21w10a rendering changes =====		===== 21w10a rendering changes =====
	From 15w33a{{verify\|we need to confirm that, besides the 16w20a color change, and whatever happened in 17w43a that stopped the animation from being jittery/frozen and the 1.15 changes that affected fog, that nothing changed about end gateway rendering from 15w33a to 21w08b}} to 21w08b, the starfield effect was defined in the game's code. 21w10a introduced resource-pack-configurable core shaders, with the shader file {{code\|rendertype_end_portal}} containing the starfield's definition.		From 15w33a{{verify\|we need to confirm that, besides the 16w20a color change, and whatever happened in 17w43a that stopped the animation from being jittery/frozen and the 1.15 changes that affected fog, that nothing changed about end gateway rendering from 15w33a to 21w08b}} to 21w08b, the starfield effect was defined in the game's code. 21w10a introduced resource-pack-configurable core shaders, with the shader file {{code\|rendertype_end_portal}} containing the starfield's definition.

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2026-07-13T11:16:40Z

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← Older revision		Revision as of 11:16, 13 July 2026
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	The remaining 16 layers render the starfield pixels and are indexed from 0 through 15. Their layer parameters are {{frac\|239\|255}}, {{frac\|223\|255}}, and {{frac\|207\|255}}, decreasing by {{frac\|16\|255}} for each subsequent layer until {{frac\|15\|255}} at index 14; the layer parameter at index 15 is 0.		The remaining 16 layers render the starfield pixels and are indexed from 0 through 15. Their layer parameters are {{frac\|239\|255}}, {{frac\|223\|255}}, and {{frac\|207\|255}}, decreasing by {{frac\|16\|255}} for each subsequent layer until {{frac\|15\|255}} at index 14; the layer parameter at index 15 is 0.

	Each starfield layer has a fixed set of color texture coordinates. The 16 coordinate pairs form a ~~4x4~~ grid, with both coordinates successively taking the values {{frac\|9\|16}}, {{frac\|11\|16}}, {{frac\|13\|16}}, and {{frac\|15\|16}}. With nearest-neighbor filtering, these coordinates fall within the bottom-right ~~2x2~~-pixel region of the color texture, so four colors are used,{{verify\|not in my experience}} each by four starfield layers.		Each starfield layer has a fixed set of color texture coordinates. The 16 coordinate pairs form a 4×4 grid, with both coordinates successively taking the values {{frac\|9\|16}}, {{frac\|11\|16}}, {{frac\|13\|16}}, and {{frac\|15\|16}}. With nearest-neighbor filtering, these coordinates fall within the bottom-right 2×2-pixel region of the color texture, so four colors are used,{{verify\|not in my experience}} each by four starfield layers.

	The parameters used by the starfield layers are as follows. The Rotation column gives the exact angle in radians, reduced to the range from 0 to 2π:		The parameters used by the starfield layers are as follows. The Rotation column gives the exact angle in radians, reduced to the range from 0 to 2π:

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2026-07-10T11:21:11Z

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← Older revision		Revision as of 11:21, 10 July 2026
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	\|{{HistoryLine\|\|26.1\|dev=snap2\|{{code\|assets/minecraft/textures/entity/end_portal.png}} has been renamed and moved to {{code\|assets/minecraft/textures/entity/end_portal/end_portal.png}}.}}		\|{{HistoryLine\|\|26.1\|dev=snap2\|{{code\|assets/minecraft/textures/entity/end_portal.png}} has been renamed and moved to {{code\|assets/minecraft/textures/entity/end_portal/end_portal.png}}.}}
	\|{{HistoryLine\|\|\|dev=Pre-Release 1\|Added the {{code\|end_cube}} special model type, which can be used to create items which render the starfield effect.		\|{{HistoryLine\|\|\|dev=Pre-Release 1\|Added the {{code\|end_cube}} special model type, which can be used to create items which render the starfield effect.
	\|End portal and End gateway blocks held by endermen, displayed in minecarts or set as the displayed block of a lit TNT entity will now render the starfield, rather than being invisible as they were previously.<ref>{{bug\|MC-195237}}</ref>}}		\|End portal and End gateway blocks held by endermen, displayed in minecarts or set as the displayed block of a lit TNT entity will now render the starfield, rather than being invisible as they were previously.<ref>{{bug\|MC-195237}}</ref>
			\|[[File:End Portal (entity).gif\|32px]][[File:End Portal (entity).png\|32px]] In the specific case of end portals, the starfield is also displayed on the sides, rather than only the bottom and top as is the case for the placed block form.}}
	\|{{HistoryLine\|java upcoming}}		\|{{HistoryLine\|java upcoming}}
	\|{{HistoryLine\|\|26.3\|dev=snap1\|Starfield objects now show the glowing outline as block displays,<ref>{{bug\|MC-307625}}</ref> when held by an [[Minecraft:enderman]],<ref>{{bug\|MC-308914}}</ref> when in a [[Minecraft:minecart]],<ref>{{bug\|MC-308915}}</ref> when set as [[Minecraft:TNT]]'s displayed block ID,<ref>{{bug\|MC-308916}}</ref> and as the item form of any {{code\|end_cube}} item in the world.<ref>{{bug\|MC-308917}}</ref>}}		\|{{HistoryLine\|\|26.3\|dev=snap1\|Starfield objects now show the glowing outline as block displays,<ref>{{bug\|MC-307625}}</ref> when held by an [[Minecraft:enderman]],<ref>{{bug\|MC-308914}}</ref> when in a [[Minecraft:minecart]],<ref>{{bug\|MC-308915}}</ref> when set as [[Minecraft:TNT]]'s displayed block ID,<ref>{{bug\|MC-308916}}</ref> and as the item form of any {{code\|end_cube}} item in the world.<ref>{{bug\|MC-308917}}</ref>}}

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2026-07-09T11:13:29Z

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← Older revision		Revision as of 11:13, 9 July 2026
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	The starfield effect in Bedrock Edition is rendered using a layered parallax system.		The starfield effect in Bedrock Edition is rendered using a layered parallax system.

	For [[Minecraft:~~end~~ portals]], the effect consists of 17 overlapping horizontal quadrilateral layers with identical positions, dimensions, and depths. Each layer covers the full horizontal area of a block and consists of 2 triangles.		For [[Minecraft:End portals]], the effect consists of 17 overlapping horizontal quadrilateral layers with identical positions, dimensions, and depths. Each layer covers the full horizontal area of a block and consists of 2 triangles.

	For [[Minecraft:~~end~~ gateways]], the effect consists of 17 overlapping layers with identical positions, dimensions, and depths. Each cube layer occupies a full block space and consists of 6 faces and 12 triangles.		For [[Minecraft:End gateways]], the effect consists of 17 overlapping layers with identical positions, dimensions, and depths. Each cube layer occupies a full block space and consists of 6 faces and 12 triangles.

	In both effects, one layer forms an opaque base layer, while the remaining 16 render the pixels making up the starfield. The geometry of the 17 layers overlaps exactly within each effect; the depth and parallax of the starfield are produced by the different texture coordinates and layer parameters used by each layer.		In both effects, one layer forms an opaque base layer, while the remaining 16 render the pixels making up the starfield. The geometry of the 17 layers overlaps exactly within each effect; the depth and parallax of the starfield are produced by the different texture coordinates and layer parameters used by each layer.

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2026-07-07T11:12:36Z

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2026-07-06T11:14:56Z

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2026-07-01T11:25:16Z

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← Older revision		Revision as of 11:25, 1 July 2026
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	\|{{HistoryLine\|\|\|dev=Pre-Release 1\|Added the {{code\|end_cube}} special model type, which can be used to create items which render the starfield effect.		\|{{HistoryLine\|\|\|dev=Pre-Release 1\|Added the {{code\|end_cube}} special model type, which can be used to create items which render the starfield effect.
	\|End portal and End gateway blocks held by endermen, displayed in minecarts or set as the displayed block of a lit TNT entity will now render the starfield, rather than being invisible as they were previously.<ref>{{bug\|MC-195237}}</ref>}}		\|End portal and End gateway blocks held by endermen, displayed in minecarts or set as the displayed block of a lit TNT entity will now render the starfield, rather than being invisible as they were previously.<ref>{{bug\|MC-195237}}</ref>}}
			\|{{HistoryLine\|java upcoming}}
			\|{{HistoryLine\|\|26.3\|dev=snap1\|Starfield objects now show the glowing outline as block displays,<ref>{{bug\|MC-307625}}</ref> when held by an [[Minecraft:enderman]],<ref>{{bug\|MC-308914}}</ref> when in a [[Minecraft:minecart]],<ref>{{bug\|MC-308915}}</ref> when set as [[Minecraft:TNT]]'s displayed block ID,<ref>{{bug\|MC-308916}}</ref> and as the item form of any {{code\|end_cube}} item in the world.<ref>{{bug\|MC-308917}}</ref>}}
	}}		}}

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	; Before		; Before
	The background layer, rather than being a fixed background, was treated much more similarly to the starfield particle layers on top of it; it was scaled, tessellated, and would move over time.		The background layer, rather than being a fixed background, was treated much more similarly to the starfield particle layers on top of it; it was scaled, tessellated, and would move over time. That is, the "layer" furthest back used {{code\|end_sky}} rather than {{code\|end_portal}}, but otherwise behaved as the {{code\|end_portal}} layers do, being rotated, repeated and gradually moving.

	Rather than being explicitly defined, the set of colours used were generated using a fixed numeric seed (31100).{{info needed\|What algorithm was used to generate these colours?}} The same set of colours were generated on every session. End portals and end gateways used different colour multipliers.{{info needed\|Did this result in any visual differences from one block to the other besides the former not using the biggest, bluest layer?}}		Rather than being explicitly defined, the set of colours used were generated using a fixed numeric seed (31100).{{info needed\|What algorithm was used to generate these colours?}} The same set of colours were generated on every session. End portals and end gateways used different colour multipliers.{{info needed\|Did this result in any visual differences from one block to the other besides the former not using the biggest, bluest layer?}}
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	\| [[File:Starfield (even colors only) BE.gif\|300px]]		\| [[File:Starfield (even colors only) BE.gif\|300px]]
	\| [[File:Starfield BE.gif\|300px]]		\| [[File:Starfield BE.gif\|300px]]
	\| ~~All 16 colors are used~~		\| End portals only use even colours
	\|}		\|}

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2026-06-24T11:25:40Z

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← Older revision		Revision as of 11:25, 24 June 2026
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	{{conjecture}}		{{conjecture}}
			{{Rewrite\|Replace British English words with American English words}}
	'''Starfield''' is a unique graphical effect used for rendering certain features related to [[Minecraft:the End]].		'''Starfield''' is a unique graphical effect used for rendering certain features related to [[Minecraft:the End]].

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2026-06-17T11:27:11Z

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2026-06-16T11:11:28Z

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← Older revision		Revision as of 11:21, 10 July 2026
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	\|{{HistoryLine\|\|26.1\|dev=snap2\|{{code\|assets/minecraft/textures/entity/end_portal.png}} has been renamed and moved to {{code\|assets/minecraft/textures/entity/end_portal/end_portal.png}}.}}		\|{{HistoryLine\|\|26.1\|dev=snap2\|{{code\|assets/minecraft/textures/entity/end_portal.png}} has been renamed and moved to {{code\|assets/minecraft/textures/entity/end_portal/end_portal.png}}.}}
	\|{{HistoryLine\|\|\|dev=Pre-Release 1\|Added the {{code\|end_cube}} special model type, which can be used to create items which render the starfield effect.		\|{{HistoryLine\|\|\|dev=Pre-Release 1\|Added the {{code\|end_cube}} special model type, which can be used to create items which render the starfield effect.
	\|End portal and End gateway blocks held by endermen, displayed in minecarts or set as the displayed block of a lit TNT entity will now render the starfield, rather than being invisible as they were previously.<ref>{{bug\|MC-195237}}</ref>}}		\|End portal and End gateway blocks held by endermen, displayed in minecarts or set as the displayed block of a lit TNT entity will now render the starfield, rather than being invisible as they were previously.<ref>{{bug\|MC-195237}}</ref>
			\|[[File:End Portal (entity).gif\|32px]][[File:End Portal (entity).png\|32px]] In the specific case of end portals, the starfield is also displayed on the sides, rather than only the bottom and top as is the case for the placed block form.}}
	\|{{HistoryLine\|java upcoming}}		\|{{HistoryLine\|java upcoming}}
	\|{{HistoryLine\|\|26.3\|dev=snap1\|Starfield objects now show the glowing outline as block displays,<ref>{{bug\|MC-307625}}</ref> when held by an [[Minecraft:enderman]],<ref>{{bug\|MC-308914}}</ref> when in a [[Minecraft:minecart]],<ref>{{bug\|MC-308915}}</ref> when set as [[Minecraft:TNT]]'s displayed block ID,<ref>{{bug\|MC-308916}}</ref> and as the item form of any {{code\|end_cube}} item in the world.<ref>{{bug\|MC-308917}}</ref>}}		\|{{HistoryLine\|\|26.3\|dev=snap1\|Starfield objects now show the glowing outline as block displays,<ref>{{bug\|MC-307625}}</ref> when held by an [[Minecraft:enderman]],<ref>{{bug\|MC-308914}}</ref> when in a [[Minecraft:minecart]],<ref>{{bug\|MC-308915}}</ref> when set as [[Minecraft:TNT]]'s displayed block ID,<ref>{{bug\|MC-308916}}</ref> and as the item form of any {{code\|end_cube}} item in the world.<ref>{{bug\|MC-308917}}</ref>}}

← Older revision		Revision as of 11:12, 7 July 2026
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	\|}		\|}

	The "End sky" texture, which is indeed the same texture used for the actual [[Minecraft:End sky]], is used as the "background" texture: it is sampled using screen-projected coordinates and multiplied by {{color\|#06191C}}. The shader uses the projected screen-space y-coordinate directly as the vertical texture coordinate; because the screen-projected vertical coordinate increases ~~upwards~~ while the texture image is displayed with its vertical axis running ~~downwards~~, the background texture appears vertically mirrored.		The "End sky" texture, which is indeed the same texture used for the actual [[Minecraft:End sky]], is used as the "background" texture: it is sampled using screen-projected coordinates and multiplied by {{color\|#06191C}}. The shader uses the projected screen-space y-coordinate directly as the vertical texture coordinate; because the screen-projected vertical coordinate increases upward while the texture image is displayed with its vertical axis running downward, the background texture appears vertically mirrored.

	The "End portal" texture is sampled in multiple layers on top of this background. Each layer uses a different color multiplier, scale, rotation, fixed horizontal offset, and time-based vertical offset. In the fragment shader, the RGB results of the layers are combined additively before the final color is output with full opacity. The End portal uses 15 layers of the "End portal" texture, while the End gateway uses 16 layers. The first 15 layers are shared between both effects, while the End gateway has an additional layer using {{color\|#1550A9}}.		The "End portal" texture is sampled in multiple layers on top of this background. Each layer uses a different color multiplier, scale, rotation, fixed horizontal offset, and time-based vertical offset. In the fragment shader, the RGB results of the layers are combined additively before the final color is output with full opacity. The End portal uses 15 layers of the "End portal" texture, while the End gateway uses 16 layers. The first 15 layers are shared between both effects, while the End gateway has an additional layer using {{color\|#1550A9}}.
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	\| {{tc\|Yes\|✓}}		\| {{tc\|Yes\|✓}}
	\|}		\|}
	For the ''n''th layer, where ''n'' starts at 1 and equals the table index plus 1, the horizontal offset is {{frac\|17\|''n''}}, the rotation angle is (''n''×''n''×4321+''n''×9)×2 degrees,{{info needed\|What would the equation be for radians? I think both the JE and BE tables should list both degrees and radians}} and the scale is (4.5-{{frac\|''n''\|4}})×2. The vertical offset is (2+{{frac\|''n''\|1.5}})×(GameTime×1.5). Since GameTime increases by {{frac\|1\|24000}} per game tick, the Velocity value listed in the table is {{frac\|(3+''n'')\|24000}}. In unaffected rendering ~~behaviour~~, the Rotation value gives the apparent travel direction, while the apparent travel velocity is the listed Velocity divided by the listed Scale.		For the ''n''th layer, where ''n'' starts at 1 and equals the table index plus 1, the horizontal offset is {{frac\|17\|''n''}}, the rotation angle is (''n''×''n''×4321+''n''×9)×2 degrees,{{info needed\|What would the equation be for radians? I think both the JE and BE tables should list both degrees and radians}} and the scale is (4.5-{{frac\|''n''\|4}})×2. The vertical offset is (2+{{frac\|''n''\|1.5}})×(GameTime×1.5). Since GameTime increases by {{frac\|1\|24000}} per game tick, the Velocity value listed in the table is {{frac\|(3+''n'')\|24000}}. In unaffected rendering behavior, the Rotation value gives the apparent travel direction, while the apparent travel velocity is the listed Velocity divided by the listed Scale.

	On some AMD Windows systems, the layers appear to move vertically ~~downwards~~ instead of following the directions listed in the table. This ~~behaviour~~ is unintentional. On some systems, only OpenGL exhibits this behavior, whereas the Vulkan renderer does not, although on other systems both are affected. It does not affect OpenGL on macOS, Linux, or when using Nvidia graphics hardware.<ref>{{bug\|MC-308516}}</ref>		On some AMD Windows systems, the layers appear to move vertically downward instead of following the directions listed in the table. This behavior is unintentional. On some systems, only OpenGL exhibits this behavior, whereas the Vulkan renderer does not, although on other systems both are affected. It does not affect OpenGL on macOS, Linux, or when using Nvidia graphics hardware.<ref>{{bug\|MC-308516}}</ref>

	The starfield effect is completely constant regardless of view: while moving and rotating the camera will change the position of the object using the starfield effect itself on screen, the starfield itself will remain fixed in place. In effect, anything using the starfield effect effectively creates what can be seen as a "hole" in the world, behind which the starfield rests. The shape of the starfield also changes with the window size, although this is presumably not intentional.<ref>{{bug\|MC-265456}}</ref>		The starfield effect is completely constant regardless of view: while moving and rotating the camera will change the position of the object using the starfield effect itself on screen, the starfield itself will remain fixed in place. In effect, anything using the starfield effect effectively creates what can be seen as a "hole" in the world, behind which the starfield rests. The shape of the starfield also changes with the window size, although this is presumably not intentional.<ref>{{bug\|MC-265456}}</ref>
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	\|The End sky texture used by the fixed starfield is rotated, squished, and repeated. It does not move with the camera or with time.{{info needed\|By how much is it rotated, and to what extent is it distorted from being a square?}}		\|The End sky texture used by the fixed starfield is rotated, squished, and repeated. It does not move with the camera or with time.{{info needed\|By how much is it rotated, and to what extent is it distorted from being a square?}}
	\|End gateways are entirely unaffected by fog.}}		\|End gateways are entirely unaffected by fog.}}
	\|{{HistoryLine\|\|1.10\|dev=16w20a\|The end portal background ~~colour~~ has been changed from {{color\|#1A1A1A}} to {{color\|#041113}}.		\|{{HistoryLine\|\|1.10\|dev=16w20a\|The end portal background color has been changed from {{color\|#1A1A1A}} to {{color\|#041113}}.
	\|The end gateway background ~~colour~~ has been changed from {{color\|#262626}} to {{color\|#06191C}}.}}		\|The end gateway background color has been changed from {{color\|#262626}} to {{color\|#06191C}}.}}
	\|{{HistoryLine\|\|?\|There is now a separate layer 0 in the starfield, which shares the ~~colour~~ value of the background, but is rendered with the portal texture rather than the sky texture.}}		\|{{HistoryLine\|\|?\|There is now a separate layer 0 in the starfield, which shares the color value of the background, but is rendered with the portal texture rather than the sky texture.}}
	\|{{HistoryLine\|\|1.11\|dev=16w40a\|End portal blocks now use the same "fixed" starfield effect that End gateways use, though without the extra blue particles gateways have.		\|{{HistoryLine\|\|1.11\|dev=16w40a\|End portal blocks now use the same "fixed" starfield effect that End gateways use, though without the extra blue particles gateways have.
	\|The non-fixed version of the starfield can therefore be considered effectively removed.}}		\|The non-fixed version of the starfield can therefore be considered effectively removed.}}