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88 lines
3.7 KiB
Go
88 lines
3.7 KiB
Go
package render2d
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import (
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"slices"
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"aego/asset"
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"aego/core/mathx"
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"aego/render/lighting"
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"aego/scene"
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)
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type Light2D struct {
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Type lighting.Type `aego:"type"`
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Color mathx.Color `aego:"color"`
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Intensity float32 `aego:"intensity,min=0"`
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Range float32 `aego:"range,min=0.001"`
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Height float32 `aego:"height,min=0"`
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InnerAngle float32 `aego:"innerAngle,min=0,max=3.1415927"`
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OuterAngle float32 `aego:"outerAngle,min=0,max=3.1415927"`
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Elevation float32 `aego:"elevation,min=0.001,max=1.5707964"`
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Falloff float32 `aego:"falloff,min=0"`
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Cookie asset.Ref[asset.Texture] `aego:"cookie,asset=texture,omitempty"`
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Layers int64 `aego:"layers"`
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ShadowCasterMask int64 `aego:"shadowCasterMask"`
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Shadows bool `aego:"shadows"`
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ShadowSoftness float32 `aego:"shadowSoftness,min=0"`
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Priority int32 `aego:"priority"`
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}
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type OccluderSource uint8
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const (
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OccluderPolygon OccluderSource = iota
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OccluderShapeProvider
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OccluderSpriteAlpha
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)
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type LightOccluder2D struct {
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Source OccluderSource `aego:"source"`
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Polygon []mathx.Vec2 `aego:"polygon"`
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Closed bool `aego:"closed"`
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CullMode lighting.CullMode `aego:"cullMode"`
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Layers int64 `aego:"layers"`
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ShapeNode scene.NodeRef `aego:"shapeNode,omitempty"`
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Shape string `aego:"shape,omitempty"`
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}
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func cloneLightOccluder(dst, src *LightOccluder2D) {
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*dst = *src
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dst.Polygon = slices.Clone(src.Polygon)
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}
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type LightingEnvironment2D struct {
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Camera scene.NodeRef `aego:"camera,omitempty"`
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AmbientColor mathx.Color `aego:"ambientColor"`
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AmbientIntensity float32 `aego:"ambientIntensity,min=0"`
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ColorMode lighting.ColorMode `aego:"colorMode"`
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Exposure float32 `aego:"exposure,min=0.001"`
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ShadowResolution int32 `aego:"shadowResolution,min=64,max=2048"`
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MaxShadowedLights int32 `aego:"maxShadowedLights,min=0,max=16"`
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}
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func DefaultLight2D() Light2D {
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return Light2D{Type: lighting.Point, Color: mathx.Color{R: 1, G: 1, B: 1, A: 1}, Intensity: 1, Range: 5, Height: 1,
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InnerAngle: mathx.Pi / 8, OuterAngle: mathx.Pi / 4, Elevation: mathx.Pi / 4, Falloff: 2, Layers: -1, ShadowCasterMask: -1}
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}
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func DefaultLightOccluder2D() LightOccluder2D {
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return LightOccluder2D{Closed: true, Layers: -1, Polygon: []mathx.Vec2{{X: -.5, Y: -.5}, {X: .5, Y: -.5}, {X: .5, Y: .5}, {X: -.5, Y: .5}}}
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}
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func DefaultLightingEnvironment2D() LightingEnvironment2D {
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e := lighting.DefaultEnvironment()
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return LightingEnvironment2D{AmbientColor: e.Ambient, AmbientIntensity: e.AmbientIntensity, ColorMode: e.ColorMode, Exposure: e.Exposure,
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ShadowResolution: int32(e.ShadowResolution), MaxShadowedLights: int32(e.MaxShadowedLights)}
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}
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func (l *Light2D) descriptor() lighting.Light {
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return lighting.Light{Type: l.Type, Direction: mathx.Vec2{X: 1}, Color: l.Color, Intensity: l.Intensity, Range: l.Range, Height: l.Height,
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InnerAngle: l.InnerAngle, OuterAngle: l.OuterAngle, Elevation: l.Elevation, Falloff: l.Falloff, Layers: uint64(l.Layers),
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ShadowCasterMask: uint64(l.ShadowCasterMask), Shadows: l.Shadows, ShadowSoftness: l.ShadowSoftness, Priority: l.Priority}
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}
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func (e *LightingEnvironment2D) descriptor() lighting.Environment {
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return lighting.Environment{Ambient: e.AmbientColor, AmbientIntensity: e.AmbientIntensity, ColorMode: e.ColorMode,
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Exposure: e.Exposure, ShadowResolution: int(e.ShadowResolution), MaxShadowedLights: int(e.MaxShadowedLights)}
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}
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