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-rw-r--r--assets/shaders/terrain.vert.glsl30
1 files changed, 30 insertions, 0 deletions
diff --git a/assets/shaders/terrain.vert.glsl b/assets/shaders/terrain.vert.glsl
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index 0000000..6902ad4
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+++ b/assets/shaders/terrain.vert.glsl
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+#version 330 core
+
+uniform mat4 model_matrix;
+uniform mat4 view_matrix;
+uniform mat4 projection_matrix;
+
+layout (location = 0) in vec3 position;
+layout (location = 1) in vec3 normal;
+layout (location = 2) in vec2 tex_coord;
+layout (location = 3) in float light;
+layout (location = 4) in float ambient_occlusion;
+
+out vec2 frag_tex_coord;
+out float frag_light;
+out float frag_ambient_occlusion;
+out vec3 surface_normal;
+out float depth;
+
+void main() {
+    vec4 world_position = model_matrix * vec4(position, 1.0);
+    vec4 view_position = view_matrix * world_position;
+    vec4 clip_position = projection_matrix * view_position;
+
+    gl_Position = clip_position;
+    frag_tex_coord = tex_coord;
+    frag_light = light;
+    frag_ambient_occlusion = ambient_occlusion;
+    surface_normal = (model_matrix * vec4(normal, 0.0)).xyz;
+    depth = clamp((length(view_position) - 75) / 125, 0.0, 1.0);
+}
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