From: Bernie Innocenti <bernie@codewiz.org>
Date: Sun, 11 Jun 2017 01:09:50 +0000 (-0400)
Subject: Light fading in the distance on the sea, add green ripples on the waves.
X-Git-Url: https://codewiz.org/gitweb?p=mandelwow.git;a=commitdiff_plain;h=b505362bf6e4fc1bba7bb817a970462cf2e6011d

Light fading in the distance on the sea, add green ripples on the waves.
---

diff --git a/Cargo.toml b/Cargo.toml
index 2b04e63..f3f65b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,14 +14,19 @@ glium = "0.16.0"
 glutin = "0.7.4"
 genmesh = "0.4.1"
 image = { version = "0.13.0", features = ["png_codec"] }
-obj = { version = "0.5", features = ["usegenmesh"] }
 libxm = "1.0.0"
+obj = { version = "0.5", features = ["usegenmesh"] }
+rand = "*"
 sdl2 = "*"
 
 #[replace]
 #"glutin:0.7.4" = { path = "/home/bernie/src/glutin" }
 #"glium:0.16.0" = { path = "/home/bernie/src/glium" }
 
+[target.armv7-linux-androideabi]
+ar = "$ANDROID_NDK_HOME/arm/bin/arm-linux-androideabi-ar"
+linker = "$ANDROID_NDK_HOME/arm/bin/arm-linux-androideabi-clang"
+
 [lib]
 name = "mandelwow_lib"
 path = "lib.rs"
diff --git a/main.rs b/main.rs
index b492676..49b28b1 100644
--- a/main.rs
+++ b/main.rs
@@ -129,16 +129,13 @@ fn main() {
     let mut frame_cnt = 0;
     let mut last_report_time = Instant::now();
     let mut last_report_frame_cnt = 0;
+    let mut accum_draw_time = Duration::new(0, 0);
+    let mut accum_idle_time = Duration::new(0, 0);
 
     set_main_loop_callback(|| {
         camera.update();
         let perspview = camera.get_perspview();
 
-        if !pause {
-            // Increment time
-            t += 0.01;
-        }
-
         // Vary the wow factor to slice the Mandelwow along its 4th dimension.
         let wmin = -0.8;
         let wmax =  0.8;
@@ -147,8 +144,10 @@ fn main() {
 
         //println!("t={} w={:?} camera={:?}", t, w, camera.get_pos());
 
+        let time_before_swap = Instant::now();
         let mut frame = display.draw();
         frame.clear_color_and_depth((0.0, 0.0, 0.0, 1.0), 1.0);
+        let time_before_draw = Instant::now();
 
         let rotation = Matrix4::from(
             Euler { x: Rad(t.sin() / 3.), y: Rad(t.sin() / 2.), z: Rad(t / 1.5)});
@@ -176,13 +175,16 @@ fn main() {
                 let uniforms = uniform! {
                     model: array4x4(model),
                     perspview: perspview,
+                    col: [0., (1. - wave).abs() * 0.5,  wave.abs()],
                 };
                 shaded_cube.draw(&mut frame, &uniforms);
             }
         }
 
         mandelwow::draw(&display, &mut frame, &mandelwow_program, model, &camera, &bounds, wow);
+
         frame.finish().unwrap();
+        let time_after_draw = Instant::now();
 
         for ev in display.poll_events() {
             match ev {
@@ -223,14 +225,29 @@ fn main() {
             }
         }
 
-        frame_cnt += 1;
         let now = Instant::now();
-        if now - last_report_time > Duration::from_secs(10) {
-            let fps = (frame_cnt - last_report_frame_cnt) as f32 /
-                (now - last_report_time).as_secs() as f32;
-            println!("fps={}", fps);
+        frame_cnt += 1;
+        accum_idle_time += time_before_draw - time_before_swap;
+        accum_draw_time += time_after_draw - time_before_draw;
+        if now - last_report_time > Duration::from_secs(5) {
+            fn millis(d : Duration) -> f32 {
+                d.as_secs() as f32 * 1e3 + d.subsec_nanos() as f32 / 1e6
+            }
+            let frames_done = frame_cnt - last_report_frame_cnt;
+            let fps = frames_done as f32 / (now - last_report_time).as_secs() as f32;
+            let avg_draw_time = millis(accum_draw_time / frames_done);
+            let avg_idle_time = millis(accum_idle_time / frames_done);
+            println!("fps={:.1} draw={:.1}ms idle={:.1}ms", fps, avg_draw_time, avg_idle_time);
+
             last_report_time = now;
             last_report_frame_cnt = frame_cnt;
+            accum_draw_time = Duration::new(0, 0);
+            accum_idle_time = Duration::new(0, 0);
+        }
+
+        if !pause {
+            // Increment time
+            t += 0.01;
         }
 
         support::Action::Continue
diff --git a/shaded.vert b/shaded.vert
index 887d94c..e21f5fc 100644
--- a/shaded.vert
+++ b/shaded.vert
@@ -3,18 +3,22 @@ precision lowp float;
 
 in vec3 position;
 in vec3 normal;
-out vec4 color;
+out vec4 color;  // Shaded color
 
 uniform mat4 model;
 uniform mat4 perspview;
+uniform vec3 col;
 
 void main() {
     mat4 m = perspview * model;
-    vec3 dark = vec3(0.0, 0.0, 0.1);
-    vec3 bright = vec3(0.0, 0.0, 0.9);
+    vec3 dark = col * 0.1;
     vec3 u_light = vec3(-0.5, -0.7, -0.6);
     vec3 v_normal = transpose(inverse(mat3(model))) * normal;
-    float brightness = max(dot(normalize(v_normal), normalize(u_light)), 0.0);
-    color = vec4(mix(dark, bright, brightness), 1.0);
+
+    float distance = model[3][2];
+    float attenuation = 1. / (1. + distance * distance * 0.05);
+    float brightness = max(dot(normalize(v_normal), normalize(u_light)) * attenuation, 0.0);
+    color = vec4(mix(dark, col, brightness), 1.0);
+
     gl_Position = m * vec4(position, 1.0);
 }