From 270476e0387201c85aa686254eb2f4a33205b7d1 Mon Sep 17 00:00:00 2001 From: Ilion Beyst Date: Mon, 18 Jul 2022 07:40:01 +0200 Subject: use texture for rendering planets --- web/pw-visualizer/assets/res/earth.png | Bin 0 -> 12873 bytes web/pw-visualizer/assets/shaders/frag/image.glsl | 1 - .../assets/shaders/frag/masked_image.glsl | 21 +++++++++++++++++++++ 3 files changed, 21 insertions(+), 1 deletion(-) create mode 100644 web/pw-visualizer/assets/res/earth.png create mode 100644 web/pw-visualizer/assets/shaders/frag/masked_image.glsl (limited to 'web/pw-visualizer/assets') diff --git a/web/pw-visualizer/assets/res/earth.png b/web/pw-visualizer/assets/res/earth.png new file mode 100644 index 0000000..7897e32 Binary files /dev/null and b/web/pw-visualizer/assets/res/earth.png differ diff --git a/web/pw-visualizer/assets/shaders/frag/image.glsl b/web/pw-visualizer/assets/shaders/frag/image.glsl index 69c8b91..f8d62c9 100644 --- a/web/pw-visualizer/assets/shaders/frag/image.glsl +++ b/web/pw-visualizer/assets/shaders/frag/image.glsl @@ -10,5 +10,4 @@ uniform sampler2D u_texture; void main() { gl_FragColor = texture2D(u_texture, v_texCoord); -// gl_FragColor = vec4(0.7, 0.7, 0.0, 1.0); } diff --git a/web/pw-visualizer/assets/shaders/frag/masked_image.glsl b/web/pw-visualizer/assets/shaders/frag/masked_image.glsl new file mode 100644 index 0000000..da0c787 --- /dev/null +++ b/web/pw-visualizer/assets/shaders/frag/masked_image.glsl @@ -0,0 +1,21 @@ +#ifdef GL_ES +precision mediump float; +#endif + +// Passed in from the vertex shader. +varying vec2 v_texCoord; + +uniform float u_step_interval; +uniform float u_time; +uniform vec3 u_color; +uniform vec3 u_color_next; + + +// The texture. +uniform sampler2D u_texture; + +void main() { + float alpha = texture2D(u_texture, v_texCoord).a; + vec3 color = mix(u_color, u_color_next, u_time); + gl_FragColor = vec4(color, alpha); +} -- cgit v1.2.3