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REVIEWED: example: shaders_mesh_instancing

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Simplified example
This commit is contained in:
Ray 2022-06-21 21:06:03 +02:00
parent 371aa0fe7f
commit 3879decb9f
4 changed files with 66 additions and 179 deletions
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39
examples/models/rlights.h
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@ -11,7 +11,7 @@
*
* LICENSE: zlib/libpng
*
* Copyright (c) 2017-2020 Victor Fisac (@victorfisac) and Ramon Santamaria (@raysan5)
* Copyright (c) 2017-2022 Victor Fisac (@victorfisac) and Ramon Santamaria (@raysan5)
*
* This software is provided "as-is", without any express or implied warranty. In no event
* will the authors be held liable for any damages arising from the use of this software.
@ -36,7 +36,7 @@
//----------------------------------------------------------------------------------
// Defines and Macros
//----------------------------------------------------------------------------------
#define MAX_LIGHTS 4 // Max dynamic lights supported by shader
#define MAX_LIGHTS 4 // Max dynamic lights supported by shader
//----------------------------------------------------------------------------------
// Types and Structures Definition
@ -45,22 +45,22 @@
// Light data
typedef struct {
int type;
bool enabled;
Vector3 position;
Vector3 target;
Color color;
bool enabled;
// Shader locations
int enabledLoc;
int typeLoc;
int posLoc;
int positionLoc;
int targetLoc;
int colorLoc;
} Light;
// Light type
typedef enum {
LIGHT_DIRECTIONAL,
LIGHT_DIRECTIONAL = 0,
LIGHT_POINT
} LightType;
@ -128,27 +128,12 @@ Light CreateLight(int type, Vector3 position, Vector3 target, Color color, Shade
light.target = target;
light.color = color;
// TODO: Below code doesn't look good to me,
// it assumes a specific shader naming and structure
// Probably this implementation could be improved
char enabledName[32] = "lights[x].enabled\0";
char typeName[32] = "lights[x].type\0";
char posName[32] = "lights[x].position\0";
char targetName[32] = "lights[x].target\0";
char colorName[32] = "lights[x].color\0";
// Set location name [x] depending on lights count
enabledName[7] = '0' + lightsCount;
typeName[7] = '0' + lightsCount;
posName[7] = '0' + lightsCount;
targetName[7] = '0' + lightsCount;
colorName[7] = '0' + lightsCount;
light.enabledLoc = GetShaderLocation(shader, enabledName);
light.typeLoc = GetShaderLocation(shader, typeName);
light.posLoc = GetShaderLocation(shader, posName);
light.targetLoc = GetShaderLocation(shader, targetName);
light.colorLoc = GetShaderLocation(shader, colorName);
// NOTE: Lighting shader naming must be the provided ones
light.enabledLoc = GetShaderLocation(shader, TextFormat("lights[%i].enabled", lightsCount));
light.typeLoc = GetShaderLocation(shader, TextFormat("lights[%i].type", lightsCount));
light.positionLoc = GetShaderLocation(shader, TextFormat("lights[%i].position", lightsCount));
light.targetLoc = GetShaderLocation(shader, TextFormat("lights[%i].target", lightsCount));
light.colorLoc = GetShaderLocation(shader, TextFormat("lights[%i].color", lightsCount));
UpdateLightValues(shader, light);
@ -168,7 +153,7 @@ void UpdateLightValues(Shader shader, Light light)
// Send to shader light position values
float position[3] = { light.position.x, light.position.y, light.position.z };
SetShaderValue(shader, light.posLoc, position, SHADER_UNIFORM_VEC3);
SetShaderValue(shader, light.positionLoc, position, SHADER_UNIFORM_VEC3);
// Send to shader light target position values
float target[3] = { light.target.x, light.target.y, light.target.z };