[Examples] Top down lights example (#2199)

* Start 2d lights example.

* finish example

* update image.

* Cleanup render textures

* Fixes to handle shadows on edges that are near to the light better.

* tabs

* move to shapes

Co-authored-by: Jeffery Myers <[email protected]>

2 files changed, 406 insertions, 0 deletions

diff --git a/projects/VS2019/examples/shapes_top_down_lights.vcxproj b/projects/VS2019/examples/shapes_top_down_lights.vcxproj
new file mode 100644
index 00000000..65f4ea89
--- /dev/null
+++ b/projects/VS2019/examples/shapes_top_down_lights.vcxproj
@@ -0,0 +1,387 @@
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diff --git a/projects/VS2019/raylib.sln b/projects/VS2019/raylib.sln
index aa92a456..82f5fff2 100644
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 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "shapes_easings_rectangle_array", "examples\shapes_easings_rectangle_array.vcxproj", "{1EDD4BCF-345C-4065-8CBD-7285224293C3}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "top_down_lights", "examples\shapes_top_down_lights.vcxproj", "{67A9CF3B-A5E8-442E-A437-ED74A08CA312}"
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "physics_demo", "examples\physics_demo.vcxproj", "{581F89BD-FBB9-4699-B8DB-EB38E6DEE097}"
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 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "physics_friction", "examples\physics_friction.vcxproj", "{A6260ED4-5361-4B61-B6B9-8D8119457BA4}"
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 		{1EDD4BCF-345C-4065-8CBD-7285224293C3}.Release|x86.Build.0 = Release|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug.DLL|x64.ActiveCfg = Debug.DLL|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug.DLL|x64.Build.0 = Debug.DLL|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug.DLL|x86.ActiveCfg = Debug.DLL|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug.DLL|x86.Build.0 = Debug.DLL|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug|x64.ActiveCfg = Debug|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug|x64.Build.0 = Debug|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug|x86.ActiveCfg = Debug|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Debug|x86.Build.0 = Debug|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release.DLL|x64.ActiveCfg = Release.DLL|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release.DLL|x64.Build.0 = Release.DLL|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release.DLL|x86.ActiveCfg = Release.DLL|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release.DLL|x86.Build.0 = Release.DLL|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release|x64.ActiveCfg = Release|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release|x64.Build.0 = Release|x64
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release|x86.ActiveCfg = Release|Win32
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312}.Release|x86.Build.0 = Release|Win32
 		{581F89BD-FBB9-4699-B8DB-EB38E6DEE097}.Debug.DLL|x64.ActiveCfg = Debug.DLL|x64
 		{581F89BD-FBB9-4699-B8DB-EB38E6DEE097}.Debug.DLL|x64.Build.0 = Debug.DLL|x64
 		{581F89BD-FBB9-4699-B8DB-EB38E6DEE097}.Debug.DLL|x86.ActiveCfg = Debug.DLL|Win32
@@ -2238,6 +2256,7 @@ Global
 		{1C49E35A-2838-49D9-9D5F-4B8134960EF6} = {278D8859-20B1-428F-8448-064F46E1F021}
 		{F91142E2-A999-47F0-9E74-38C1E2930EBE} = {278D8859-20B1-428F-8448-064F46E1F021}
 		{1EDD4BCF-345C-4065-8CBD-7285224293C3} = {278D8859-20B1-428F-8448-064F46E1F021}
+		{67A9CF3B-A5E8-442E-A437-ED74A08CA312} = {278D8859-20B1-428F-8448-064F46E1F021}
 		{581F89BD-FBB9-4699-B8DB-EB38E6DEE097} = {D6B669E2-68D0-4E62-83D1-E14DDD6A356F}
 		{A6260ED4-5361-4B61-B6B9-8D8119457BA4} = {D6B669E2-68D0-4E62-83D1-E14DDD6A356F}
 		{29817904-E3D3-4C28-BD8D-A3A09DD199D2} = {D6B669E2-68D0-4E62-83D1-E14DDD6A356F}