1 files changed, 56 insertions, 0 deletions
diff --git a/resources/shaders/foam.vert b/resources/shaders/foam.vert
new file mode 100644
index 0000000..f27c589
--- /dev/null
+++ b/resources/shaders/foam.vert
@@ -0,0 +1,56 @@
+#version 330 core
+
+layout(location = 0) in vec3 position; // Position of the vertex
+layout(location = 1) in vec3 wavelength; // wavelenth adjusted for ocean depth
+layout(location = 2) in vec3 wavedirs; // wavelenth adjusted for ocean depth
+
+//layout(location = 2) in vec2 direction; // wave slope
+//layout(location = 3) in vec2 texCoords; // texture coords
+//layout(location = 3) in vec3 norm; // texture coords
+
+
+out vec2 constants;
+out vec2 dir;
+out vec2 tex;
+out vec3 pos;
+
+
+
+uniform float time;
+uniform float phaseC; // phase constant
+uniform mat4 proj;
+uniform mat4 view;
+uniform mat4 model;
+uniform mat4 inverseView;
+uniform vec2 widthBounds;
+uniform vec2 lengthBounds;
+
+vec2 calculateTexCoord(vec3 pos){
+//    vec3 v = vec3(0,0,1);
+//    if (abs(norm.y) < 1.f){
+//        v = normalize(vec3(0,1,0) - norm.y*norm);
+//    }
+//    vec3 u = normalize(cross(norm, v));
+
+//    float u_coord = dot(u, vec3(pos.x, 0, pos.z)) - widthBounds[0]/ (widthBounds[1] - widthBounds[0]);
+//    float v_coord = dot(v, vec3(pos.x, 0, pos.z)) - lengthBounds[0]/ (lengthBounds[1] - lengthBounds[0]);
+
+     float u_coord = position.x / (widthBounds[1] - widthBounds[0]);
+     float v_coord = position.z / (lengthBounds[1] - lengthBounds[0]);
+
+
+     float offset = .5f;
+    return 2*vec2(u_coord + offset, v_coord + offset);
+
+}
+
+void main() {
+    dir = vec2(wavedirs[0],wavedirs[1]);
+    constants = vec2(wavelength[0], phaseC);
+
+    gl_Position = proj * view * model * vec4(position, 1);
+    pos = vec3(gl_Position);
+
+    tex = calculateTexCoord(position);
+
+}