Lightmap example. (#3043)

5 files changed, 49 insertions, 0 deletions

diff --git a/examples/shaders/resources/LICENSE.md b/examples/shaders/resources/LICENSE.md
index 96458eca..7210e34b 100644
--- a/examples/shaders/resources/LICENSE.md
+++ b/examples/shaders/resources/LICENSE.md
@@ -9,3 +9,5 @@
 | raysan.png         | [@raysan5](https://github.com/raysan5)      | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)   | - |
 | space.png          | ❔             | ❔       | - |
 | texel_checker.png  | [@raysan5](https://github.com/raysan5)      | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)   | Made with [UV Checker Map Maker](http://uvchecker.byvalle.com/) |
+| cubicmap.png       | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| spark_flame.png      | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | Made with [EffectTextureMaker](https://mebiusbox.github.io/contents/EffectTextureMaker/) |
\ No newline at end of file
diff --git a/examples/shaders/resources/cubicmap_atlas.png b/examples/shaders/resources/cubicmap_atlas.png
new file mode 100644
index 00000000..9fc404a7
--- /dev/null
+++ b/examples/shaders/resources/cubicmap_atlas.png
diff --git a/examples/shaders/resources/shaders/glsl330/lightmap.fs b/examples/shaders/resources/shaders/glsl330/lightmap.fs
new file mode 100644
index 00000000..95558610
--- /dev/null
+++ b/examples/shaders/resources/shaders/glsl330/lightmap.fs
@@ -0,0 +1,20 @@
+#version 330
+// Input vertex attributes (from vertex shader)
+in vec2 fragTexCoord;
+in vec2 fragTexCoord2;
+in vec3 fragPosition;
+in vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform sampler2D texture1;
+
+// Output fragment color
+out vec4 finalColor;
+
+void main() {
+	// Texel color fetching from texture sampler
+    vec4 texelColor = texture( texture0, fragTexCoord );
+    vec4 texelColor2 = texture( texture1, fragTexCoord2 );
+	finalColor = texelColor * texelColor2;
+}
diff --git a/examples/shaders/resources/shaders/glsl330/lightmap.vs b/examples/shaders/resources/shaders/glsl330/lightmap.vs
new file mode 100644
index 00000000..00278eaa
--- /dev/null
+++ b/examples/shaders/resources/shaders/glsl330/lightmap.vs
@@ -0,0 +1,27 @@
+#version 330
+// Input vertex attributes
+in vec3 vertexPosition;
+in vec2 vertexTexCoord;
+in vec2 vertexTexCoord2;
+in vec4 vertexColor;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matModel;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+out vec2 fragTexCoord;
+out vec2 fragTexCoord2;
+out vec4 fragColor;
+
+void main() {
+    // Send vertex attributes to fragment shader
+    fragPosition = vec3( matModel * vec4( vertexPosition, 1.0 ) );
+    fragTexCoord = vertexTexCoord;
+    fragTexCoord2 = vertexTexCoord2;
+    fragColor = vertexColor;
+
+    // Calculate final vertex position
+    gl_Position = mvp * vec4( vertexPosition, 1.0 );
+}
diff --git a/examples/shaders/resources/spark_flame.png b/examples/shaders/resources/spark_flame.png
new file mode 100644
index 00000000..72cea2e9
--- /dev/null
+++ b/examples/shaders/resources/spark_flame.png