Ondulação do mar

#version 300 es// Vertex displacement → Ocean swell, vertex shader, web GLSL (GLSL ES 3.00). From Creative Center, MIT license.precision highp float;uniform mat4 u_viewProjection;uniform vec3 u_camera;uniform float u_time;uniform vec2 u_resolution; // this pass's output size in pixelsuniform float p_wavelength; // Wavelength: 1.2 (0.3 to 3.0)uniform float p_steepness; // Steepness: 0.7 (0.0 to 1.0)uniform float p_speed; // Speed: 0.4 (0.0 to 2.0)uniform vec3 p_deep; // Deep water: vec3(0.03, 0.2, 0.32), sRGB; upload it decoded to linearuniform vec3 p_horizon; // Sky reflection: vec3(0.62, 0.78, 0.88), sRGB; upload it decoded to linearuniform vec3 p_foam; // Foam: vec3(0.92, 0.96, 1.0), sRGB; upload it decoded to linearlayout(location = 0) in vec3 a_position;layout(location = 1) in vec3 a_normal;layout(location = 2) in vec2 a_uv;out vec2 v_uv;out vec3 v_position;out vec3 v_normal;out vec3 v_view;struct Inputs {	vec2 uv;	vec3 position;	vec3 normal;	vec3 view;	float time;	vec2 fragCoord;	vec2 resolution;};// One Gerstner wave at the rest position `rest`: returns how far it moves the point and adds its slope to the two// tangents of the surface, along x and along z. The point moves on a circle, so the crests come out sharper than a// sine's and the troughs flatter.vec3 gerstner(vec2 rest, vec2 direction, float span, float q, float t, inout vec3 alongX, inout vec3 alongZ) {	vec2 d = normalize(direction);	float k = 6.2831853 / span;	// Deep-water waves: speed grows with wavelength (w^2 = g * k), so long swells outrun short chop	float phase = k * dot(d, rest) - sqrt(9.8 * k) * t;	float a = q / k;	float s = q * sin(phase);	float c = q * cos(phase);	alongX += vec3(-d.x * d.x * s, d.x * c, -d.x * d.y * s);	alongZ += vec3(-d.x * d.y * s, d.y * c, -d.y * d.y * s);	return vec3(d.x * a * cos(phase), a * sin(phase), d.y * a * cos(phase));}Inputs swell(Inputs i) {	vec2 rest = i.position.xz;	float t = i.time * p_speed;	vec3 alongX = vec3(1.0, 0.0, 0.0);	vec3 alongZ = vec3(0.0, 0.0, 1.0);	// Three waves from different directions, sharing the steepness slider so their sum never passes 1, which	// keeps the crests from folding over into loops	vec3 moved = gerstner(rest, vec2(1.0, 0.35), p_wavelength, p_steepness * 0.5, t, alongX, alongZ);	moved += gerstner(rest, vec2(0.6, -0.8), p_wavelength * 0.61, p_steepness * 0.3, t, alongX, alongZ);	moved += gerstner(rest, vec2(-0.3, 1.0), p_wavelength * 0.37, p_steepness * 0.2, t, alongX, alongZ);	i.position += moved;	i.normal = normalize(cross(alongZ, alongX));	return i;}vec4 effect(Inputs i) {	vec3 sun = normalize(vec3(-0.5, 0.6, -0.6));	// Foam from 30% to 100% of the main wave's amplitude (steepness / k);	// the smaller waves stacked on top lift some crests higher	float peak = p_steepness * 0.5 * p_wavelength / 6.2831853;	float crest = smoothstep(0.3 * peak, peak, i.position.y);	float diffuse = max(dot(i.normal, sun), 0.0);	float shine = pow(max(dot(i.normal, normalize(sun + i.view)), 0.0), 120.0);	float fresnel = pow(1.0 - max(dot(i.normal, i.view), 0.0), 4.0);	vec3 water = mix(p_deep * (0.4 + 0.6 * diffuse), p_horizon, fresnel);	vec3 color = mix(water, p_foam, crest * 0.7) + shine;	return vec4(color, 1.0);}void main() {	Inputs i;	i.uv = a_uv;	// The test meshes have no model transform: object space is world space	i.position = a_position;	i.normal = normalize(a_normal);	i.view = normalize(u_camera - a_position);	i.time = u_time;	// No pixel yet in a vertex shader	i.fragCoord = vec2(0.0);	i.resolution = u_resolution;	i = swell(i);	v_uv = a_uv;	v_position = i.position;	v_normal = i.normal;	// From the moved surface toward the camera; the fragment shader normalizes it	v_view = u_camera - i.position;	gl_Position = u_viewProjection * vec4(i.position, 1.0);}#version 300 es// Vertex displacement → Ocean swell, web GLSL (GLSL ES 3.00). From Creative Center, MIT license.precision highp float;uniform float u_time;uniform vec2 u_resolution; // this pass's output size in pixelsuniform float p_wavelength; // Wavelength: 1.2 (0.3 to 3.0)uniform float p_steepness; // Steepness: 0.7 (0.0 to 1.0)uniform float p_speed; // Speed: 0.4 (0.0 to 2.0)uniform vec3 p_deep; // Deep water: vec3(0.03, 0.2, 0.32), sRGB; upload it decoded to linearuniform vec3 p_horizon; // Sky reflection: vec3(0.62, 0.78, 0.88), sRGB; upload it decoded to linearuniform vec3 p_foam; // Foam: vec3(0.92, 0.96, 1.0), sRGB; upload it decoded to linearin vec2 v_uv;in vec3 v_position;in vec3 v_normal;in vec3 v_view;out vec4 fragColor;struct Inputs {	vec2 uv;	vec3 position;	vec3 normal;	vec3 view;	float time;	vec2 fragCoord;	vec2 resolution;};vec3 u_toSrgb(vec3 c) {	return mix(c * 12.92, 1.055 * pow(c, vec3(1.0 / 2.4)) - 0.055, step(0.0031308, c));}// One Gerstner wave at the rest position `rest`: returns how far it moves the point and adds its slope to the two// tangents of the surface, along x and along z. The point moves on a circle, so the crests come out sharper than a// sine's and the troughs flatter.vec3 gerstner(vec2 rest, vec2 direction, float span, float q, float t, inout vec3 alongX, inout vec3 alongZ) {	vec2 d = normalize(direction);	float k = 6.2831853 / span;	// Deep-water waves: speed grows with wavelength (w^2 = g * k), so long swells outrun short chop	float phase = k * dot(d, rest) - sqrt(9.8 * k) * t;	float a = q / k;	float s = q * sin(phase);	float c = q * cos(phase);	alongX += vec3(-d.x * d.x * s, d.x * c, -d.x * d.y * s);	alongZ += vec3(-d.x * d.y * s, d.y * c, -d.y * d.y * s);	return vec3(d.x * a * cos(phase), a * sin(phase), d.y * a * cos(phase));}Inputs swell(Inputs i) {	vec2 rest = i.position.xz;	float t = i.time * p_speed;	vec3 alongX = vec3(1.0, 0.0, 0.0);	vec3 alongZ = vec3(0.0, 0.0, 1.0);	// Three waves from different directions, sharing the steepness slider so their sum never passes 1, which	// keeps the crests from folding over into loops	vec3 moved = gerstner(rest, vec2(1.0, 0.35), p_wavelength, p_steepness * 0.5, t, alongX, alongZ);	moved += gerstner(rest, vec2(0.6, -0.8), p_wavelength * 0.61, p_steepness * 0.3, t, alongX, alongZ);	moved += gerstner(rest, vec2(-0.3, 1.0), p_wavelength * 0.37, p_steepness * 0.2, t, alongX, alongZ);	i.position += moved;	i.normal = normalize(cross(alongZ, alongX));	return i;}vec4 effect(Inputs i) {	vec3 sun = normalize(vec3(-0.5, 0.6, -0.6));	// Foam from 30% to 100% of the main wave's amplitude (steepness / k);	// the smaller waves stacked on top lift some crests higher	float peak = p_steepness * 0.5 * p_wavelength / 6.2831853;	float crest = smoothstep(0.3 * peak, peak, i.position.y);	float diffuse = max(dot(i.normal, sun), 0.0);	float shine = pow(max(dot(i.normal, normalize(sun + i.view)), 0.0), 120.0);	float fresnel = pow(1.0 - max(dot(i.normal, i.view), 0.0), 4.0);	vec3 water = mix(p_deep * (0.4 + 0.6 * diffuse), p_horizon, fresnel);	vec3 color = mix(water, p_foam, crest * 0.7) + shine;	return vec4(color, 1.0);}void main() {	Inputs i;	i.uv = v_uv;	i.position = v_position;	// Interpolation shortens the vectors between vertices	i.normal = normalize(v_normal);	i.view = normalize(v_view);	i.time = u_time;	i.fragCoord = gl_FragCoord.xy;	i.resolution = u_resolution;	vec4 frag_out = effect(i);	// The output is sRGB: clamped and encoded once, here, with no tone mapping; opaque, so alpha is 1	fragColor = vec4(u_toSrgb(clamp(frag_out.rgb, 0.0, 1.0)), 1.0);}

// Vertex displacement → Ocean swell, Godot 4. From Creative Center, MIT license.shader_type spatial;// Unshaded shows the effect's color as is, like the site's preview; scene lights don't touch it// world_vertex_coords: vertex() sees VERTEX and NORMAL in world space, as the effect's vertex entry expectsrender_mode unshaded, world_vertex_coords;uniform float wavelength : hint_range(0.3, 3.0, 0.05) = 1.2;uniform float steepness : hint_range(0.0, 1.0, 0.01) = 0.7;uniform float speed : hint_range(0.0, 2.0, 0.05) = 0.4;uniform vec3 deep : source_color = vec3(0.03, 0.2, 0.32);uniform vec3 horizon : source_color = vec3(0.62, 0.78, 0.88);uniform vec3 foam : source_color = vec3(0.92, 0.96, 1.0);struct Inputs {	vec2 uv;	vec3 position;	vec3 normal;	vec3 view;	float time;	vec2 fragCoord;	vec2 resolution;};// One Gerstner wave at the rest position `rest`: returns how far it moves the point and adds its slope to the two// tangents of the surface, along x and along z. The point moves on a circle, so the crests come out sharper than a// sine's and the troughs flatter.vec3 gerstner(vec2 rest, vec2 direction, float span, float q, float t, inout vec3 alongX, inout vec3 alongZ) {	vec2 d = normalize(direction);	float k = 6.2831853 / span;	// Deep-water waves: speed grows with wavelength (w^2 = g * k), so long swells outrun short chop	float phase = k * dot(d, rest) - sqrt(9.8 * k) * t;	float a = q / k;	float s = q * sin(phase);	float c = q * cos(phase);	alongX += vec3(-d.x * d.x * s, d.x * c, -d.x * d.y * s);	alongZ += vec3(-d.x * d.y * s, d.y * c, -d.y * d.y * s);	return vec3(d.x * a * cos(phase), a * sin(phase), d.y * a * cos(phase));}Inputs swell(Inputs i) {	vec2 rest = i.position.xz;	float t = i.time * speed;	vec3 alongX = vec3(1.0, 0.0, 0.0);	vec3 alongZ = vec3(0.0, 0.0, 1.0);	// Three waves from different directions, sharing the steepness slider so their sum never passes 1, which	// keeps the crests from folding over into loops	vec3 moved = gerstner(rest, vec2(1.0, 0.35), wavelength, steepness * 0.5, t, alongX, alongZ);	moved += gerstner(rest, vec2(0.6, -0.8), wavelength * 0.61, steepness * 0.3, t, alongX, alongZ);	moved += gerstner(rest, vec2(-0.3, 1.0), wavelength * 0.37, steepness * 0.2, t, alongX, alongZ);	i.position += moved;	i.normal = normalize(cross(alongZ, alongX));	return i;}vec4 effect(Inputs i) {	vec3 sun = normalize(vec3(-0.5, 0.6, -0.6));	// Foam from 30% to 100% of the main wave's amplitude (steepness / k);	// the smaller waves stacked on top lift some crests higher	float peak = steepness * 0.5 * wavelength / 6.2831853;	float crest = smoothstep(0.3 * peak, peak, i.position.y);	float diffuse = max(dot(i.normal, sun), 0.0);	float shine = pow(max(dot(i.normal, normalize(sun + i.view)), 0.0), 120.0);	float fresnel = pow(1.0 - max(dot(i.normal, i.view), 0.0), 4.0);	vec3 water = mix(deep * (0.4 + 0.6 * diffuse), horizon, fresnel);	vec3 color = mix(water, foam, crest * 0.7) + shine;	return vec4(color, 1.0);}void vertex() {	Inputs i;	// Godot's UV starts at the top-left; the effect expects GLSL's bottom-left	i.uv = vec2(UV.x, 1.0 - UV.y);	i.position = VERTEX;	i.normal = normalize(NORMAL);	i.view = normalize(CAMERA_POSITION_WORLD - VERTEX);	i.time = TIME;	// No pixel yet in vertex()	i.fragCoord = vec2(0.0);	i.resolution = VIEWPORT_SIZE;	i = swell(i);	VERTEX = i.position;	NORMAL = i.normal;}void fragment() {	Inputs i;	// Godot's UV starts at the top-left; the effect expects GLSL's bottom-left	i.uv = vec2(UV.x, 1.0 - UV.y);	// VERTEX, NORMAL and VIEW are in view space here; the effect works in world space	i.position = (INV_VIEW_MATRIX * vec4(VERTEX, 1.0)).xyz;	i.normal = normalize((INV_VIEW_MATRIX * vec4(NORMAL, 0.0)).xyz);	i.view = normalize((INV_VIEW_MATRIX * vec4(VIEW, 0.0)).xyz);	i.time = TIME;	// FRAGCOORD's origin is the top-left too	i.resolution = VIEWPORT_SIZE;	i.fragCoord = vec2(FRAGCOORD.x, i.resolution.y - FRAGCOORD.y);	vec4 frag_out = effect(i);	ALBEDO = frag_out.rgb;}